See also:

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Conn ...

Windshield, Backglass, and WiperBlades
If the windshield is not clear after using the windshield washer, or if the wiper blade chatters when running, wax, sap or other material may be on the blade or windshield. Clean the outside of ...

Windshield Wiper Blade Replacement
Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance. It is a good idea to clean or replace the wiper blade assembly on a regular basis or when worn. For pr ...