See also:

HomeLink universal transceiver (if so equipped)
The HomeLink Universal Transceiver provides a convenient way to consolidate the functions of up to three individual hand-held transmitters into one built-in device. HomeLink Universal Transceiver: ...

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). ...

Checking engine coolant level
MR20DE Check the coolant level in the reservoir when the engine is cold. If the coolant level is below the MIN level B , add coolant to the MAX level A . If the reservoir is empty, check the ...