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:

Radiator Grille Opening Cover Replacement (Upper Grille Cover)
Radiator Grille Opening Cover Replacement Callout Component Name Preliminary Procedure Remove the radiator upper grille. Refer to Front Upper Grille Replacement. 1 Radiator Grille Opening Cover ( ...

Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: The indicators at three or more places around the tire can be seen. There is cord or fabric showing through the tire's ...

Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate Installation (6T30)
Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate Installation Callout Component Name 1 Low and Reverse and 1??? Clutch Housing Note: The longer legs face the bottom of the case and the ...