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:

Emergency Trunk Release Handle
Caution Do not use the emergency trunk release handle as a tie-down or anchor point when securing items in the trunk as it could damage the handle. There is a glow-in-the-dark emergency trunk release handle on the underside of the trunk lid. This handle will glow following exposure to light. ...

Replacing Safety Belt System Parts after a Crash
Warning: A crash can damage the safety belt system in the vehicle. A damaged safety belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure the safety belt systems are working properly after a crash, have them insp ...

Timing Belt Tensioner Replacement
Special Tools EN-6333 Timing Belt Tensioner Locking Pin EN-6340 Camshaft Locking Tool EN-45059 Torque Angle Sensor Kit For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement. ...