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:

Door Lock and Ignition Lock Folding and Non-Folding Key Cutting
High Security keys are available from the service parts system. Obtain the key code from the security card or from the GM Dealer World, Parts, Key Code Look Up system. If you have the key code and access to a Triax-E., BD Laser or other code key cutting machine from the GM Dealer Equipment C ...

Drive Belt Tensioner Installation
Install the drive belt tensioner (1). Install the upper drive belt tensioner bolt (2). Install the lower drive belt tensioner bolt (3). Caution: Refer to Fastener Caution. Tighten the lower drive belt tensioner bolt (M8) to 22 Y (16&# ...

Hydraulic Clutch System Bleeding
Warning: Refer to Brake Fluid Irritant Warning. Caution: Brake fluid must not come in contact with mineral oils and greases. The smallest amount of such could lead to malfunction or breakdown of the clutch. Caution: Refer to Brake Fluid Effects on Paint and Electrical Com ...