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:

Front Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See the Maintenance Schedule  for more information. Replacement blades come in different types and are removed in different ways. For proper windshield wiper blade length and type, see Maintenance Replacement Parts. Caution ...

Starter Installation
Install the starter (4). Install the lower starter bolt stud (3) and if equipped the washer. Install the upper starter bolt (2) and if equipped the washer (1). Caution: Refer to Fastener Caution. Tighten the starter bolt and starter bolt stud to 25 ...

System maintenance
Example Basic information The two radar sensors A for the I-BSI system are located near the rear bumper. Always keep the area near the radar sensors clean. The radar sensors may be blocked by temporary ambient conditions such as snow, splashing water, mist or fog. The blocked condition ma ...