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:

When Should an Airbag Inflate?
This vehicle is equipped with airbags. See Airbag System. Airbags are designed to inflate if the impact exceeds the specific airbag system's deployment threshold. Deployment thresholds are used to predict how severe a crash is likely to be in time for the airbags to inflate and help restra ...

Rear Vision Camera (RVC)
This vehicle may have the RVC system. Read this entire section before using it. The RVC system can assist the driver when backing up by displaying a view of the area behind the vehicle. Warning The RVC system does not display children, pedestrians, bicyclists, animals, or any other object loc ...

Camshaft Position Actuator Adjuster Installation
Special Tools EN-6340 Camshaft Adjuster Locking Tool EN-6628-A Camshaft Locking Tool EN-45059 Angle Meter For equivalent regional tools, refer to Special Tools. Note: Note the arrows. Turn the camshaft by the hexagon until the groove on the end of the camshafts is ...