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Section 30 (Remote Keyless Entry System): Description

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Chevrolet Cavalier, 2001 Pontiac Sunfire, and 2001 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Vehicles are equipped with air bag supplemental restraint system. Before attempting ANY repairs involving steering column, instrument panel or related components, see AIR BAG SAFETY PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article. For 2002, see AIR BAG SAFETY PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article.
NOTE: The Remote Keyless Entry (RKE) system is a supplementary vehicle entry device. Radio frequencies or discharged batteries may disable system.

Remote Keyless Entry (RKE) system allows you to operate following components:

The Remote Keyless Entry (RKE) system has following main components:

When a button on RKE transmitter is pressed, transmitter sends a signal to BCM. BCM interprets signal and activates requested function.