See also:

If steam is coming from the engine compartment
Turn off the engine and get everyone away from the vehicle until it cools down. ...

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. ...

Efficient cooling after parking in direct sunlight
After parking in direct sunlight, drive with the windows open for a few minutes to allow outside air to circulate into the heated interior. This results in quicker cooling by the air conditioner. ...