See also:

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Headlights
Replacing the xenon headlight bulb (if so equipped) HIGH VOLTAGE: When xenon headlights are on, they produce a high voltage. To prevent an electric shock, never attempt to modify or disassembl ...

Engine block heater (if so equipped)
WARNING: - Do not use your engine block heater with an ungrounded electrical system or a 2-pronged adapter. You can be seriously injured by an electrical shock if you use an ungrounded connec ...