Engine immobilizer system

Vehicles without a smart key system
The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating.
The indicator light stops flashing after the registered key has been inserted into the engine switch to indicate that the system has been canceled.
Vehicles with a smart key systemThe indicator light flashes after the “ENGINE START STOP” switch has been turned off to indicate that the system is operating.
The indicator light stops flashing after the “ENGINE START STOP” 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 to the security system (key with a built-in transponder chip) of another vehicle Certifications for the engine immobilizer system (vehicles without a smart key system) • For vehicles sold in the U.S.A. FCC ID: MOZRI-33BTY This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC WARNING: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. • For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
CAUTION Certifications for the immobilizer systemChanges or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTICE
To ensure the system operates correctlyDo not modify or remove the system. If modified or removed, the proper operation of the system cannot be guaranteed.
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A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.