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:

How to Wear Safety Belts Properly
This section is only for people of adult size. There are special things to know about safety belts and children. And there are different rules for smaller children and infants. If a child will be riding in the vehicle, see Older Children  or Infants and Young Children. Follow those rules ...

Conversions and Add-Ons
Add-On Electrical Equipment Caution Some electrical equipment can damage the vehicle or cause components to not work and would not be covered by the warranty. Always check with your dealer before adding electrical equipment. Add-on equipment can drain the vehicle's 12-volt battery, even i ...

Front Floor Console Extension Replacement - Left Side
Front Floor Console Extension Replacement - Left Side Callout Component Name 1 Front Floor Console Extension Push-In Retainer 2 Front Floor Console Extension Procedure Use a flat bladed ...