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:

Battery Replacement
The battery is not rechargeable. To replace the battery: Caution When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter. 1. Press the button on the transmitter to extend the key. 2. Remove the battery cover by prying ...

Valve Lifter Installation
Special Tool EN-845 Suction Device For equivalent regional tools, refer to Special Tools. Note: Observe the correct locations. Note: Coat the sliding surfaces with NEW engine oil. Install the 16 valve lifter (1), using the EN-845 suction device . ...

Fluid Cooler Inlet Hose Replacement
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement Remove the front bumper fascia opening lower cover. Refer to Front Bumper Fascia Opening Lower Cover Replacement Remove the front wheelhouse liner inner front extension. Refer to Front Wh ...