See also:

Don't Neglect the Interior
Moisture can collect under the floor mats and carpeting to cause corrosion. Check under the mats periodically to be sure the carpeting is dry. Use particular care if you carry fertilizers, cleanin ...

Checking drive belts
Drive belts should be checked periodically for proper tension and adjusted if necessary. At the same time, belts should be examined for cracks, wear, fraying or other evidence of deterioration a ...

Spark plugs
Make sure to install new spark plugs of the correct heat range. ...