Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Immobilizer

Ignition Lock Cylinder Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover f ...

Immobilizer Description and Operation
The immobilizer system functions are provided by the body control module (BCM) and the engine control module (ECM), as well as any modules which store and report the environment identifier. When ...

Other materials:

When the System Does Not Seem To Work Properly
If the LDW symbol does not appear: The lane markings on the road may not be seen. The camera sensor may be blocked by dirt, snow or ice. The windshield may be damaged. The weather may be limiting visibility. This is normal operation; the vehicle does not need service. Clean the windshie ...

Keyless Entry System Description and Operation
The keyless entry system is a vehicle entry device. The keyless entry system is used in conjunction with the door locks to unlock the vehicle. Keyless entry will lock/unlock the vehicle doors or open the rear compartment lid when a corresponding button on the keyless entry transmitter is press ...

Tire Dismounting and Mounting
Caution: Use a tire changing machine in order to dismount tires. Do not use hand tools or tire irons alone in order to remove the tire from the wheel. Damage to the tire beads or the wheel rim could result. Caution: Do not scratch or damage the clear coating on aluminum wheels wit ...

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