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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 258 (Remote Keyless Entry System) >> Description And Operation >> Keyless Entry System Description and Operation >> Notes
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Keyless Entry System Description and Operation: Notes

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The keyless entry system is a supplementary vehicle entry device. Radio frequencies or discharged batteries may disable the system.

Keyless entry allows you to operate the following components:

When you press a button on a transmitter, the transmitter sends a signal to the remote control door lock receiver. The RCDLR interprets the signal and activates the requested function via a class 2 message over the serial data line.