See also:

Checking the Battery
Keep the battery clean. Any evidence of corrosion around the battery posts or terminals should be removed using a solution of household baking soda and warm water. After the battery terminals are ...

To Help Prevent Corrosion
You can help prevent corrosion from getting started by observing the following: ...

Block the Wheel
Block the wheel that is diagonally opposite from the flat to keep the vehicle from rolling when the car is raised on the jack. ...