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:

Emblem/Nameplate Replacement
Caution: Refer to Exterior Trim Emblem Removal Caution. The part and vehicle surface should be 21?°C (70?°F) prior to installation. The vehicle should remain inside in a temperature range of 21?°C (70?°F) for 1 hour after assembly to allow the adhesive to develop sufficient bo ...

Parking Brake Adjustment (Drum Brake)
Note: The park brake cable adjusting nut is a nylon lock type. Use ONLY HAND TOOLS whenever tightening or loosening the adjusting nut. Apply and fully release the park brake several times. Verify that the park brake lever releases completely. Turn ON the ignition. Verify the red B ...

Front Compartment Fuse Block Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the junction block cover (1). Remove the positive battery cable nut (1) from the junction block. Remove the pos ...