See also:

Windows and wiper blades
The windshield, rear and side windows and the wiper blades should be cleaned regularly. If the wipers do not wipe properly, substances on the vehicle’s glass or the wiper blades may be the cause ...

Checking the wiper blades
Run the tip of your fingers over the edge of the blade to check for roughness. Clean the wiper blades with washer fluid or water applied with a soft sponge or cloth. CHANGING THE WIPER BLADES ...

Fuel quality
Note: Use of any fuel other than those recommended may cause powertrain damage, a loss of vehicle performance, and repairs may not be covered under warranty. Choosing the Right Fuel Use only UNLEA ...