See also:

Clutch fluid (if so equipped)
Check the clutch fluid level in the reservoir (manual transmissions only). If the fluid level is below the MIN line, add Genuine NISSAN Super Heavy Duty Brake Fluid or equivalent DOT 3 fluid up ...

Troubleshooting guide
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Cleaning
If your windshield is not clear after using the windshield washer or if a wiper blade chatters when running, wax or other material may be on the blade or windshield. Clean the outside of the winds ...