2010 Lexus ES350 Theft Deterrent System

Page 1 of 5

Lexus ES350 2010  Theft Deterrent System 78
1-6. Theft deterrent system
Engine immobilizer system
The vehicles keys have built-in transponder chips that prevent the engine 
from starting if the key has not been previously registered in the

Page 2 of 5

Lexus ES350 2010  Theft Deterrent System 79
1-6. Theft deterrent system
1
Before driving
■System maintenance
The vehicle has a maintenance-free type of engine immobilizer system.
■Conditions that may cause the system to malfunction
●If

Page 3 of 5

Lexus ES350 2010  Theft Deterrent System 80
1-6. Theft deterrent system
Alarm
Deactivating or stopping the alarm
Do one of the following:
●Unlock the doors or trunk using the entry function or the wireless 
remote door lock function.
●Tu

Page 4 of 5

Lexus ES350 2010  Theft Deterrent System 81
1-6. Theft deterrent system
1
Before driving
■Tr i g g e r i n g  o f  t h e  a l a r m
The alarm may be triggered in the following situations. 
Stopping the alarm deactivates the system.
●A pe

Page 5 of 5

Lexus ES350 2010  Theft Deterrent System 82
1-6. Theft deterrent system
Theft prevention labels (for USA)
These labels are attached to the 
vehicle to reduce vehicle theft 
by facilitating the tracing and 
recovery of parts from stolen 
vehi