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:

Liftgate Strut Replacement
Liftgate Strut Replacement Callout Component Name 1 Liftgate Strut Warning: When a lift gate hold open device is being removed or installed, provide alternate support to avoid the possibility of damage ...

Instrument Panel Center Molding Replacement (Without U58)
Instrument Panel Center Molding Replacement Callout Component Name 1 Instrument Panel Center Molding Assembly Procedure Use a flat bladed plastic trim tool in the shown locations, then rotate the trim tool 90 ...

Automatic Transmission Flex Plate Removal
Special Tools EN-652 Automatic Transmission Flex Plate Holder For equivalent regional tools, refer to Special Tools. Install the EN-652 holder  (1) to hold the automatic transmission flex plate (2). Loosen the 6 automatic transmission flex plate bolts. Re ...