Theft Deterrent System; Engine Immobilizer System - Lexus LX 570 Owner's Manual

1-6. Theft deterrent system

Engine immobilizer system

The vehicle's keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle's on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help prevent vehicle theft but does not guar-
antee absolute security against all vehicle thefts.
System maintenance
■
The vehicle has a maintenance-free type engine immobilizer system.
Conditions that may cause the system to malfunction
■
If the key is in contact with a metallic object
●
If the key is in close proximity to or touching a key to the security system (key
●
with a built-in transponder chip) of another vehicle
LX570_OM_OM60L96U_(U)
The indicator light flashes after
the "ENGINE START STOP"
switch has been turned off to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the "ENGINE START
STOP" switch has been turned
to ACCESSORY or IGNI-
TION ON mode to indicate
that the system has been can-
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