Theft Deterrent System; Immobilizer System - Lexus CT200h Owner's Manual

1-7. Theft deterrent system

Immobilizer system

The vehicle's keys have built-in transponder chips that prevent the hybrid
system from starting if a key has not been previously registered in the vehi-
cle's on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
CT200h_U (OM76040U)
The indicator light 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 ACCESSORY
or ON mode to indicate that the
system has been canceled.
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