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:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system status light is next to the OnStar buttons. If the status light is: Solid Green: System is ...

Shock Absorber Disposal
Warning: Use the proper eye protection when drilling to prevent metal chips from causing physical injury. Clamp the strut in a vise horizontally with the rod (1) completely extended. Drill a hole in the strut at the center of the end cap (3) using a 5 mm ...

System temporarily unavailable
When the Nissan Armada detects that the radar sensors are obstructed, the system will automatically deactivate to ensure safe and reliable operation. A warning message reading "Unavailable Side Radar Obstruction" will appear in the vehicle information display, alerting the driver that ...