Theft Deterrent System; Immobilizer System - Lexus UX 250h 2020 Owner's Manual

1-5.Theft deterrent system

Immobilizer system

The vehicle's keys have built-in tran-
sponder chips that prevent the
hybrid system 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 pre-
vent vehicle theft but does not guar-
antee absolute security against all
vehicle thefts.
Operating the system
Certification for the immobilizer system
■
For vehicles sold in the U.S.A., Hawaii, Guam and Puerto Rico


1-5. Theft deterrent system

The security indicator flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACC or ON to indicate that the sys-
tem has been canceled.
■ System maintenance
The vehicle has a maintenance-free type

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 touch-
●
ing a key registered to the security sys-
tem (key with a built-in transponder chip)
of another vehicle
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