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:

Trunk (Sedan)
Warning Exhaust gases can enter the vehicle if it is driven with the liftgate, hatch/trunk open, or with any objects that pass through the seal between the body and the hatch/trunk or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsci ...

Rear End Panel Replacement
Removal Procedure Warning: Refer to Approved Equipment for Collision Repair Warning. Warning: Refer to Glass and Sheet Metal Handling Warning. Note: The rear end lower panel reinforcement extension is made of Ultra High Strength Dual Phase St ...

Transmission Mount Bracket Replacement - Rear
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front suspension skid plate, if equipped. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement. Using a suitable jack stand, support the rear of the ...