Theft Deterrent System; Engine Immobilizer System; System Maintenance; Conditions That May Cause The System To Malfunction - Toyota IQ 2012 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 the 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.
Vehicles without smart entry & start system: The system begins
operating after the key has been removed from the engine switch.
Vehicles with smart entry & start system: The system begins oper-
ating after the "ENGINE START STOP" switch has been turned
OFF.
Vehicles without smart entry & start system: The system is can-
celed after the registered key has been inserted into the engine
switch.
Vehicles with smart entry & start system: The system is canceled
after the "ENGINE START STOP" switch has been turned to
ACCESSORY or IGNITION ON mode.


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
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