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:

Securing Child Restraints (Rear Seat)
When securing a child restraint in a rear seating position, study the instructions that came with the child restraint to make sure it is compatible with this vehicle. If the child restraint has the LATCH system, see Lower Anchors and Tethers for Children (LATCH System)  for how and where t ...

Manual Transmission
The vehicle may be equipped with a 5-speed or 6-speed manual transmission. Caution Shifting the vehicle initially into any gear other than 1 (First) or R (Reverse) can damage the clutch. Shift the manual transmission in the proper sequence, and time the gear shifting with the accelerator to ...

Tires and Wheels Description and Operation (Tire Identification)
Identification Accessory and warranty replacement must use TPC spec tires. An outboard orientation stripe is added to the tread surface, with an offset toward the outboard tire face. All GM approved tires (Production, Service and Accessory) have a TPC (Tire Performance C ...