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:

Wheels and Trim—Aluminum or Chrome
Use a soft, clean cloth with mild soap and water to clean the wheels. After rinsing thoroughly with clean water, dry with a soft, clean towel. A wax may then be applied. Caution Chrome wheels and other chrome trim may be damaged if the vehicle is not washed after driving on roads that have bee ...

Rear Side Door Replacement
Rear Side Door Replacement Callout Component Name Warning: Refer to SIR Warning. Preliminary Procedures Mark the location of the hinge before removing the bolts with a grease pencil. Remove the rear door ...

Front Wheel Drive Intermediate Shaft Replacement
Front Wheel Drive Intermediate Shaft Replacement Callout Component Name Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the wheel drive shaft assembly from the vehicle ...