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:

Instrument Panel Lower Compartment Replacement
Instrument Panel Lower Compartment Replacement Callout Component Name Preliminary Procedure Open the instrument panel lower compartment to the full open position. Disconnect the instrument panel compartment dampener from t ...

Front Brake Shield Replacement
Removal Procedure Warning: Refer to Brake Dust Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. Remove the front brake rotor. Refer to ...

Jump Starting
For more information about the vehicle battery, see Battery. If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following steps to do it safely. Warning: Batteries can hurt you. They can be dangerous because: The ...