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:

Instrument Panel Lower Trim Pad Cover Replacement (With AAL)
Instrument Panel Lower Trim Pad Cover Replacement Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. 1 Instrument Panel Lower Trim Pad Fastener ...

Rear Wheel Bearing and Hub Replacement (Drum Brake)
Rear Wheel Bearing and Hub Replacement Callout Component Name Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Rem ...

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 ...