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:

Rear Wheel Bearing and Hub Replacement (Disc Brake)
Special Tools EN–45059 Angle Meter For equivalent regional tools, refer to Special Tools. Removal Procedure Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Insta ...

Tires and Wheels Description and Operation (Equipment)
GM Recommended Tire Balancer Hunter RF33 Road Force balancer or equivalent with the following options: Auto Clamp – allows for centering repeatability and prevent damage to the wheel. Wheel Lift – helps prevent wheel damage and assists in the accuracy of the placeme ...

Vehicle, Engine and Transmission ID and VIN Location, Derivative and Usage
The vehicle identification number (VIN) plate is the legal identifier of the vehicle. The VIN plate is located on the upper left corner of the instrument panel (I/P) and can be seen through the windshield from the outside of the vehicle: Vehicle, Engine and Transmission ID and VIN Loca ...