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:

Backup Lamp Bulb Replacement (Sedan)
Backup Lamp Bulb Replacement Callout Component Name Preliminary Procedure Remove the tail lamp assembly. Refer to Tail Lamp Replacement. 1 Back Up Lamp Bulb Socket Procedure Rotate the back u ...

Shoulder Belt Replacement - Rear (Sedan)
Shoulder Belt Replacement - Rear Callout Component Name Preliminary Procedure Remove the rear window panel trim. Refer to Rear Window Panel Trim Replacement. 1 Rear Seat Shoulder Belt Anchor Plat ...

Park Brake and P (Park) Mechanism Check
Warning: When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. ...