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:

Trunk Release
To lock or unlock the trunk from the inside, press or on the central locking switch or on the driver door switch. To open the trunk from inside the vehicle press . To lock the trunk from the outside press on the RKE transmitter. To open the trunk from outside of the vehicle: Pres ...

Supplemental Inflatable Restraint System Description and Operation
SIR System Overview The supplemental inflatable restraint (SIR) system supplements the protection offered by the seat belts. The SIR system contains an inflatable restraint sensing and diagnostic module (SDM), air bags, seat belt pretensioners (anchor and retractor), and impact sen ...

Driver or Passenger Seat Head Restraint Replacement
Driver or Passenger Seat Head Restraint Replacement Callout Component Name 1 Driver or Passenger Seat Head Restraint Procedure Raise the headrest to the full upward position. Depress the flush button on the he ...