Other information:
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Recover the refrigerant with a recovery/recycling/charging station.
3.
When the engine is cool, drain the engine coolant from the radiator ...
Your vehicle may require the ignition switch to be turned to the ACC position
for programming and/or operation of HomeLink. It is also recommended that a new
battery be replaced in the hand-held transmitter of the device being programmed
to HomeLink for quicker training and accurate transmissi ...