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:

Daytime Running Lamps (DRL)
DRL can make it easier for others to see the front of your vehicle during the day. Fully functional DRL are required on all vehicles first sold in Canada. This indicator light turns on in the instrument cluster when the DRL are on. A light sensor on top of the instrument panel makes the DRL wo ...

Instrument Panel Center Molding Replacement (Without U58)
Instrument Panel Center Molding Replacement Callout Component Name 1 Instrument Panel Center Molding Assembly Procedure Use a flat bladed plastic trim tool in the shown locations, then rotate the trim tool 90 ...

Secondary Air Injection Pump Pipe Replacement
Secondary Air Injection Pump Pipe Replacement Callout Component Name 1 Hose Retainer (QTY:2) Note: Squeeze the retainer on opposite sides to release. 2 Secondary Air Injection ...