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:

Luggage Shade Replacement (Hatchback)
Luggage Shade Replacement Callout Component Name 1 Luggage Shade Assembly Procedure Detach luggage shade from upper support. ...

Front Wheel Drive Shaft Seal Replacement - Left Side
Special Tools DT-446 Installer Drift DT-7004 Slide Hammer DT-23129 Universal Seal Remover For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front suspension sk ...

Transmission Case Cleaning and Inspection
Transmission Case Cleaning and Inspection Callout Component Name Caution: Do not use abrasive pads or bristle devices to clean the sealing surfaces. Abrasive pads produce a fine grit that can effect transmission func ...