Auto User Guide

Indicators Guide: 2021 Vauxhall Astra L Warning Lights Explained

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Indicators Guide: 2021 Vauxhall Astra L Warning Lights Explained

The 2021 Vauxhall Astra L has a complex set of warning lights, each one meant to give you important information about the car’s health and performance. To drive safely and efficiently, you must fully understand these signs. Each light is important for keeping the car in good shape, from the more general ones, like the check engine light that lets drivers know there might be a problem with the engine, to the more specific ones, like the tire pressure warning light that lets drivers know when the tire pressure is too low. The Astra L also has high-tech safety features, like the lane departure warning light and the adaptive cruise control sign, which make the driver even more aware of their surroundings and safer on the road. By getting to know these signs, drivers can deal with any problems before they happen and drive with confidence, putting safety and performance first.

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Control indicators

The control indicators described are not present in all vehicles. Depending on the equipment, the position of the control indicators may vary. When the ignition is switched on, most control indicators will illuminate briefly as a functionality test.
The control indicator colors mean:

  • red: danger, important reminder
  • yellow: warning, information, fault
  • green: confirmation of activation
  • blue: confirmation of activation
  • white: confirmation of activation
  • grey: system paused, at least one system limitation has been detected

Control indicators are located in the Driver Information Centre.
Driver Information Centre.

Overview
The numbers in the overview table indicate what to do when a control indicator illuminates or flashes.

  1. only for information
  2. and warning
  3. seek the assistance of a workshop
  4. stop the engine and seek the assistance of a workshop
  5. have the cause of the fault remedied immediately by a workshop
  6. stop a vehicle, do not continue the journey, and seek the assistance of a workshop

Turn lights
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 1flashes green.

 

Flashes if a turn light is activated. An audible warning can be heard when the turn lights are on. Turn lights.

Seat belt reminder
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 2illuminates or flashes in the Driver Information Centre together with the indication in the overhead console for each seat belt.

 

2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 3illuminates in different colors depending on the condition:
red: seat belt not fastened
green: seat belt fastened
grey: seat not occupied

  • When the ignition is switched on, a illuminates the overhead console in the corresponding color.
  • After driving off, a in the Driver Information Centre and the symbol for the respective seat in the overhead console flash in red for a certain time together with a chime if the respective seat is occupied but the seat belt is not fastened. After a certain time of driving, a illuminates constantly in red until the seat belt of the respective seat has been fastened.
  • If any passenger has unfastened the seat belt during driving, in the Driver Information Centre and the symbol for the respective seat in the overhead console flash in red for a certain time together with a chime. After a certain time of driving, a illuminates constantly in red until the seat belt of the respective seat has been fastened again.

Depending on the version, a could illuminate in red when the respective seat is not occupied or a could extinguish after a certain time independent of condition.
Seat belts.

Airbag and belt tensioners
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 4 illuminate yellow.
When the ignition is switched on, the control indicator illuminates for some seconds. If it does not illuminate, does not extinguish after some seconds, or illuminates whilst driving, there is a fault in the airbag system. Seek the assistance of a workshop. The airbags and belt pretensioners may fail to trigger in the event of an accident.
Deployment of the belt pretensioners or airbags is indicated by continuous illumination of d.

Warning
Have the cause of the fault remedied immediately by a workshop.

Belt pretensioners.
Airbag system.

Airbag deactivation2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 5
H illuminates yellow.
The front passenger airbag is activated.
g illuminates yellow.

The front passenger airbag is deactivated. Airbag deactivation.

Charging system
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 6illuminates red. Illuminates when the ignition is switched on and extinguishes shortly after the engine starts.

Illuminates when the engine is running
Stop, and switch off the engine. The vehicle battery is not charging. Engine cooling may be interrupted. The brake servo unit may cease to be effective. Seek the assistance of a workshop.

The malfunction indicator light
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 7 illuminates or flashes yellow. Illuminates when the ignition is switched on and extinguishes shortly after the engine starts.

Illuminates when the engine is running
Fault in the emission control system. The permitted emission limits may be exceeded. Seek the assistance of a workshop immediately.

Flashes when the engine is running
Fault that could lead to catalytic converter damage. Ease up on the accelerator until the flashing stops. Seek the assistance of a workshop immediately.

The service vehicle soon
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 8illuminates yellow.
Illuminates briefly when the ignition is switched on. May illuminate together with other control indicators and a corresponding message in the Driver Information Centre. Seek the assistance of a workshop immediately.

Stop engine
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 9illuminates red.
Illuminates briefly when the ignition is switched on. Illuminates together with other control indicators, accompanied by a warning chime and a corresponding message in the Driver Information Centre. Stop the engine immediately and seek the assistance of a workshop.

Hybrid system fault
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 10illuminates red.
The hybrid system has a fault. Switch off the ignition and seek the assistance of a workshop.

The brake and clutch system
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 11illuminates red or yellow. The brake and clutch fluid levels are too low.

 

Warning
Stop. Do not continue your journey. Consult a workshop.

Brake fluid.

Parking brake
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 12illuminates or flashes red.

 

Illuminates
The parking brake is applied.

Flashes
The electric parking brake is not applied automatically. The application or the release is faulty.

Warning
Have the cause of the fault remedied immediately by a workshop.

The electric parking brake fault
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 13illuminates yellow.

 

Illuminates
The electric parking brake has a fault.

Warning
Have the cause of the fault remedied immediately by a workshop.

The automatic operation of the electric parking brake
illuminates yellow.

Illuminates
Automatic operation is deactivated or faulty. In the event of a fault, o illuminates together with other control indicators or it is accompanied by a corresponding message in the Driver Information Centre. Activate automatic operation again or have the cause remedied by a workshop in the event of a fault. Automatic operation.

Antilock brake system (ABS)
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 14illuminates yellow.
Illuminates for a few seconds after the ignition is switched on. The system is ready for operation when the control indicator is extinguished.
If the control indicator does not extinguish after a few seconds, or if it illuminates while driving, there is a fault in the ABS. The brake system remains operational but without ABS regulation.
Antilock brake system 3 135.

Gear shifting
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 15with the number of a higher or lower gear is indicated when upshifting or downshifting is recommended for fuel-saving reasons.
On vehicles with automatic transmission, the system is only active in manual mode. Manual mode.

Power steering
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 16illuminates red or yellow.
The power steering has a fault. Drive carefully at a moderate speed and consult a workshop.

Lane keeps assisting
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 17and illuminates or flashes yellow.

 

Illuminates yellow
The system has been automatically deactivated or placed on standby.
If L and C illuminate, the system has a fault. Seek the assistance of a workshop.

Flashes yellow
The system is correcting the unintended lane change. Lane keeps assisting.

Advanced lane keep assist
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 18illuminates grey, green, or yellow.

 

Illuminates grey
The system is paused. At least one system limitation has been detected.

Illuminates green
The system is active and ready to operate.

Illuminates yellow
The system has a fault. Advanced lane keep assist.

Parking assist
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 19illuminates yellow. The system is deactivated.

 

Electronic Stability Control and Traction Control system
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 20illuminates or flashes yellow.

 

Illuminates
A fault in the system is present. Continued driving is possible. Driving stability, however, may deteriorate depending on road surface conditions. Have the cause of the fault remedied by a workshop.
After reconnecting the vehicle battery, (e.g. after maintenance work), J is illuminated for several seconds. After this period, J extinguishes. This is a normal procedure, the vehicle does not need any assistance.

Flashes
The system is actively engaged. Engine output may be reduced and the vehicle may be braked automatically to a small degree.
Electronic Stability Control and Traction Control system 3 139.

Engine coolant temperature
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 21illuminates red.
Illuminates red when the engine is running Stop, and switch off the engine.

Caution
The coolant temperature is too high.

Check the coolant level immediately.
If there is sufficient coolant, consult a workshop.

Preheating
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 22illuminates yellow.
Preheating of the diesel engine is activated. Only activates when the outside temperature is low. Start the engine when the control indicator extinguishes. Starting the engine.

AdBlue
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 23flashes or illuminates yellow.

 

Illuminates yellow
The remaining driving range is between 500 miles and 1500 miles.

Flashes yellow
The remaining driving range is between 0 and 500 miles. The adBlue level is low. Refill AdBlue soon to avoid prevention of the engine start. AdBlue.

The deflation detection system
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 24illuminates or flashes yellow.

 

Illuminates
Tire pressure loss in one or more wheels. Stop immediately and check the tire pressure.

Flashes
Fault in the system. Consult a workshop. Deflation detection system.

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Engine oil pressure
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 25illuminates red.
Illuminates when the ignition is switched on and extinguishes shortly after the engine starts.

Illuminates when the engine is running

Caution
Engine lubrication may be interrupted. This may result in damage to the engine and/or locking of the drive wheels.

  1. Select neutral gear.
  2. Move out of the flow of traffic as quickly as possible without impeding other vehicles.
  3. Switch off the ignition.

Warning
When the engine is off, considerably more force is needed to brake and steer. During an Autostop the brake servo unit will still be operational.
Do not remove the key until the vehicle is stationary, otherwise, the steering wheel lock could engage unexpectedly.

Keep the engine turned off and let the vehicle be towed to a workshop.

Low fuel
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 26illuminates yellow. The level in the fuel tank is too low. Refuelling. Bleeding the diesel fuel system.

 

Charging cable connected
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 27illuminates red.
The vehicle plug of the charging cable is still connected to the charge port. The vehicle cannot be started. Disconnect the vehicle plug from the charge port and close the charge port flap. Charging.

Vehicle ready
READY illuminates green. The vehicle is ready to be driven.

Reduced engine power
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 28illuminates yellow.
The charging level of the high-voltage battery is low. Only reduced engine power is available.

Apply footbrake
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 29illuminates.
Insufficient or no pressure on the brake pedal. Depress the brake pedal before releasing the parking brake and moving out of P.

Autostop
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 30illuminates or flashes green.

 

Illuminates green
The engine is in an Autostop.

Flashes green
Autostop is temporarily unavailable, or Autostop mode is invoked automatically. If D illuminates yellow, the stop-start system is deactivated. Stop-start system.

Exterior light
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 31illuminates green. The exterior lights are on.

 

Low beam
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 32illuminates green. Illuminated when low beam is on.

 

The high beam
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 33illuminates blue.
Illuminates, when high beam is on or during headlight, flash.

High beam assist
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 34illuminates green or yellow. Illuminates green when the high beam assist is activated 3 95. Illuminates yellow when a malfunction has been detected. Seek the assistance of a workshop.

Rear fog light
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 35illuminates yellow. The rear fog light is on.

 

Pedestrian safety alert fault
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 36illuminates yellow. The pedestrian safety alert is not working.

 

Active emergency braking
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 37illuminates or flashes yellow.

 

Illuminates
The system has been deactivated or a fault has been detected. Additionally, a warning message is displayed in the Driver Information Centre. Check the reason for the deactivation and in case of a system fault, seek the assistance of a workshop.

Notice
m also illuminates if the seat belts of the front passengers are not fastened. In this case, active emergency braking is deactivated.

Flashes
The system is actively engaged and brakes automatically the vehicle. Active emergency braking.

Door open
2021 Vauxhall Astra L-Indicators Guide-Warning Lights Explained-fig 38illuminates red. A door or the tailgate is open.

 

 

FAQs

What does the red exclamation mark warning light indicate on the 2021 Vauxhall Astra L?

The red exclamation mark typically signifies a critical issue like low brake fluid or brake system malfunction.

When does the engine temperature warning light illuminate in the 2021 Vauxhall Astra L?

This warning light activates when the engine overheats, indicating a potential coolant system problem.

What does the steering wheel with an exclamation mark warning light mean in the 2021 Vauxhall Astra L?

It indicates a power steering system fault, requiring immediate attention to avoid loss of steering assistance.

What does the yellow engine symbol indicate on the dashboard of the 2021 Vauxhall Astra L?

The yellow engine symbol typically indicates an engine management issue, necessitating diagnostic checks.

What does the oil can warning light signify on the 2021 Vauxhall Astra L?

This light indicates low engine oil pressure, potentially signaling engine damage if not addressed promptly.

When does the battery warning light illuminate in the 2021 Vauxhall Astra L?

It activates when the battery isn’t charging properly, indicating potential alternator or electrical system problems.

What does the tire pressure monitoring system (TPMS) warning light indicate in the 2021 Vauxhall Astra L?

It alerts the driver to low tire pressure, helping maintain optimal tire performance and safety.

When does the airbag warning light illuminate in the 2021 Vauxhall Astra L?

This light indicates a malfunction in the airbag system, requiring immediate attention to ensure passenger safety.

What does the traction control system (TCS) warning light signify on the 2021 Vauxhall Astra L?

It indicates a fault in the traction control system, which helps maintain vehicle stability during acceleration.

What does the yellow wrench symbol represent on the dashboard of the 2021 Vauxhall Astra L?

The yellow wrench symbol typically indicates a service reminder, prompting the driver to schedule maintenance.

What does the glow plug warning light signify in the 2021 Vauxhall Astra L?

It activates when there’s a problem with the diesel engine’s glow plug system, which aids in cold starting.

What does the automatic transmission warning light indicate in the 2021 Vauxhall Astra L?

This light indicates an issue with the automatic transmission system, requiring diagnosis and repair.

When does the lane departure warning (LDW) light illuminate in the 2021 Vauxhall Astra L?

It activates when the vehicle deviates from its lane without signaling, alerting the driver to potential unintentional lane departure.

What does the blind spot monitoring (BSM) warning light signify in the 2021 Vauxhall Astra L?

It alerts the driver to the presence of vehicles in the blind spot, enhancing awareness and safety during lane changes.

What does the hill start assist (HSA) warning light indicate on the 2021 Vauxhall Astra L?

It illuminates when the hill start assist system is active, aiding in smooth starts on inclines.

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