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:

Safety Belt Reminders
Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument cluster. When the vehicle is started, this light flashes and a chime may come on to remind the driver to fasten their safety belt. Then the light stays on solid until the belt is buckled. This cy ...

Parking Brake Cable Replacement (Disc Brake)
Removal Procedure Remove the front floor console. Refer to Front Floor Console Replacement. Ensure that the parking brake lever is in the fully released position. Using ONLY HAND TOOLS, remove the adjusting nut (1) from the end of the front park brake c ...

Differential Carrier Removal (6T40/45/50)
Differential Carrier Removal Callout Component Name 1 Front Differential Carrier Bearing Assembly 2 Differential Carrier Assembly 3 Final Drive Sun Gear ...