See also:

In case a problem occurs
If you cannot activate a device using the corresponding HomeLink® button after programming, contact HomeLink® at www.homelink.com or call 1-800-355- 3515 for assistance. ...

ON
This is the normal operating position after the engine is started. ...

Air conditioner button
The air conditioner operates only when the engine is running. Press the air conditioner button while the fan is in operation to turn on the air conditioner. The indicator light will illuminate. ...