See also:

When to Wax Again
You should polish and wax the car again when water no longer beads on a clean surface but spreads out over a larger area. ...

Vacuum crankcase ventilation hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate deterioration. Particular att ...

Before entering vehicle
• Be sure that all windows, outside mirror( s), and outside lights are clean. • Check the condition of the tires. • Check under the vehicle for any sign of leaks. • Be sure there are no obstacles b ...