Engine Immobilizer System; System Maintenance; Conditions That May Cause The System To Malfunction; Theft Deterrent System - Lexus 2016 IS 200t Service Manual

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 guarantee
absolute security against all vehicle thefts.
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled.

System maintenance

■
The vehicle has a maintenance-free type engine immobilizer system.

Conditions that may cause the system to malfunction

■
If the grip portion of the key is in contact with a metallic object
●
If the key is in close proximity to or touching a key registered to the security system (key
●
with a built-in transponder chip) of another vehicle
IS350/300/200t_U (OM53D18U)

1-2. Theft deterrent system

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