See also:

Battery
● Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. ● Make certain the terminal connections are clean and securely tightened. ● ...

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 Transceiv ...

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked ...