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:

Removing the Spare Tire and Tools
The compact spare tire and tools are located in the storage compartment in the rear of the vehicle. The jack and tools are stored below the spare tire. 1. Extension 2. Jack 3. Wheel Wrench 4. Strap To access the spare tire and tools: 1. Open the trunk or liftgate. See Trunk (Sedan)  o ...

Luggage Shade Replacement (Hatchback)
Luggage Shade Replacement Callout Component Name 1 Luggage Shade Assembly Procedure Detach luggage shade from upper support. ...

Transmission Adaptive Functions
The 6T30/40/45/50 transmission utilizes a line pressure control system during upshifts to compensate for the normal wear of transmission components. As the apply components within the transmission wear or change over time, shift time (the time required to apply a clutch) increase or decreases. ...