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:

OnStar Services
Emergency With Automatic Crash Response, the built-in system can automatically connect to help in most crashes, even if help cannot be requested. Press to connect to an Emergency Advisor. GPS technology is used to identify the vehicle location and can provide critical information to emergen ...

Front Bumper Upper Impact Bar Replacement
Front Bumper Upper Impact Bar Replacement Callout Component Name Preliminary Procedure Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement. 1 Front Bumper Impact Bar Bolt (Qt ...

Clutch Actuator Cylinder Front Pipe Replacement
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Remove as much brake fluid out of brake fluid reservoir as possible. Unclip the clutch actuator cylinder front pipe from the 2 retainers (1). Remove the retaining ...