2024 Lexus ES 300h Alarm System Owner’s Manual
The 2024 Lexus ES 300h has a high-tech alarm system for car protection. This sophisticated system prevents theft and unlawful entry, offering drivers peace of mind and protecting their investment.
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Alarm Guide
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
- A locked door is unlocked or opened in any way other than using the entry function, wireless remote control or mechanical key*. (The doors will lock again automatically.)
- A locked trunk is unlocked or opened in any way other than using the entry function or wireless remote control.
The hood is opened.
Except for Canada
Setting/canceling/stopping the alarm system
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the following:
- Nobody is in the vehicle.
- The windows and moon roof are closed before the alarm is set.
- No valuables or other personal items are left in the vehicle.
Setting
Close the doors, trunk and hood, and lock all the doors using the entry function or wireless remote control. The system will be set automatically after 30 seconds.
Except for Canada, the alarm can also be set using the mechanical key.
The indicator light changes from being on to flashing when the system is set.
Canceling or stopping
Do one of the following to deactivate or stop the alarm:
- Except for Canada: Unlock the doors using the entry function, wireless remote control or mechanical key.
- For Canada: Unlock the doors using the entry function or wireless remote control.
- Turn the power switch to ACCESSORY or ON mode, or start the hybrid system. (The alarm will be deactivated or stopped after a few seconds.)
System maintenance
The vehicle has a maintenance-free type alarm system.
Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
- For Canada: The doors are unlocked using the mechanical key.
- The trunk is unlocked using the mechanical key.
- A person inside the vehicle opens a door, the trunk or hood, or unlocks the vehicle using a door lock switch.
- The 12-volt battery is recharged or replaced when the vehicle is locked.
Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically lock to prevent improper entry into the vehicle:
- When a person remaining in the vehicle unlocks the door and the alarm is activated.
- While the alarm is activated, a person remaining in the vehicle unlocks the door.
- When recharging or replacing the 12-volt battery
NOTICE
To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper opera-tion of the system cannot be guaranteed.
FAQ’s
The 2024 Lexus ES 300h is equipped with a comprehensive anti-theft alarm system, including intrusion detection and an immobilizer.
The alarm system activates if unauthorized entry is detected, triggering lights and a siren to alert the owner and deter thieves.
The alarm is triggered by door, hood, or trunk tampering, glass breakage, or attempts to start the vehicle without the proper key.
The alarm system automatically activates when you lock the vehicle using the Smart Key or the lock button on the door handle.
The alarm system is an integral part of the vehicle’s security and cannot be permanently disabled, but it can be temporarily deactivated by unlocking the car.
Useful Links
View full PDF: 2024 Lexus ES 300h Owner’s Manual | Auto User Guide