See also:

Battery replacement
CAUTION: Be careful not to allow children to swallow the battery or removed parts. ...

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. ● ...

If your vehicle is stolen
If your vehicle is stolen, you should change the codes of any non-rolling code device that has been programmed into HomeLink. Consult the Owners Manual of each device or call the manufacturer ...