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:

Body Panel Paint Protector Replacement (VGC)
The paint protective film and vehicle surface temperature should be 13?€“32?°C (55?€“90?°F) for best results. Automatic car washes should be avoided for at least 24?€‰hours after the paint protective film application. Wipe the vehicle surface with isopropyl alcohol or fl ...

Rear Side Door Weatherstrip Replacement - Door Side
Rear Side Door Weatherstrip Replacement - Door Side Callout Component Name 1 Rear Side Door Weatherstrip Procedure Open the front side door to the fully open position. Remove the front side door check link bo ...

Engine Block Cleaning and Inspection
Special Tools EN-8087 Cylinder Gauge For equivalent regional tools, refer to Special Tools. Clean the sealing material from the gasket mating surfaces (2). Clean the engine block (1) and lower crankcase in a cleaning tank with solvent appropriate for aluminum. Refer ...