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:

Passenger Sensing System
United States Canada The passenger sensing system turns off the front outboard passenger frontal airbag and knee airbag (if equipped) under certain conditions. No other airbag is affected by the passenger sensing system. See Passenger Sensing System  for important information. The ...

Front License Plate Bracket Replacement
Front License Plate Bracket Replacement Callout Component Name Preliminary Procedure Remove the front license plate if equipped. 1 Front License Plate Bracket Screw (Qty:?€‰4) Caution: Re ...

Sunroof Window Height and Opening Fit Adjustment
Note: Correct adjustment cannot be achieved if the sunroof window is closed from vent position. Cycle the sunroof window from full open to closed position. ., Note: Do Not remove or lower headliner to access sunroof window screws. Loosen the adjusting screws on ...