See also:

Waxing
Regular waxing protects the paint surface and helps retain new vehicle appearance. Polishing is recommended to remove built-up wax residue and to avoid a weathered appearance before reapplying wax ...

Rear window wiper blade (if so equipped)
Contact a NISSAN dealer if checking or replacement is required. ...

Most common factors contributing to vehicle corrosion
• The accumulation of moisture-retaining dirt and debris in body panel sections, cavities, and other areas. • Damage to paint and other protective coatings caused by gravel and stone chips ...