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:

Automatic Headlamp System
When it is dark enough outside and the exterior lamp control is in the automatic position, the headlamps come on automatically. See Exterior Lamp Controls. The vehicle has a light sensor on top of the instrument panel. Make sure it is not covered, or the headlamps will be on when they are not ...

Instrument Panel Upper Trim Panel Replacement - Right Side
Instrument Panel Upper Trim Panel Replacement - Right Side Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. Remove the instrument panel center molding. Refer to Inst ...

Airbag Steering Wheel Module Coil Centering
Note: If a double wire harness strap is installed onto the wire harness assembly and steering column, the original holder for the wire strap(s) MUST be reused during installation. Remove the wire harness strap(s) where necessary. Caution: The new SIR coil assembly will ...