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:

Windows
Manual Windows If equipped, use the window crank to open and close each window. See Manual Windows. Power Windows If equipped, press the switch down to open the window. Pull the front of the switch up to close it. The switches work when the vehicle is in ON/RUN or ACC/ ACCESSORY, or when Re ...

Interior Lighting
Dome Lamps The dome lamp controls are in the headliner above the rear seats. : Press to turn the lamps off, even when a door is open. : When the button is returned to the middle position, the lamps turn on automatically when a door is opened. : Press to turn on the dome lamps. Reading ...

Safety Belt Reminders
Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument cluster. When the vehicle is started, this light flashes and a chime may come on to remind the driver to fasten their safety belt. Then the light stays on solid until the belt is buckled. This cy ...