Infiniti QX: Underbody - Cleaning exterior - Appearance and care - Infiniti QX Owner's ManualInfiniti QX: Underbody

In areas where road salt is used in winter, the underbody must be cleaned regularly. This will prevent dirt and salt from building up and causing the acceleration of corrosion on the underbody and suspension. Before the winter period and again in the spring, the underseal must be checked and, if necessary, re-treated.

    Removing spots
    Remove tar and oil spots, industrial dust, insects, and tree sap as quickly as possible from the paint surface to avoid lasting damage or staining. Special cleaning products are available at a ...

    Glass
    Use glass cleaner to remove smoke and dust film from the glass surfaces. It is normal for glass to become coated with a film after the vehicle is parked in the hot sun. Glass cleaner and a sof ...

    See also:

    Engine coolant temperature gauge
    The gauge indicates the engine coolant temperature. The engine coolant temperature is within the normal range when the gauge needle points within the zone 1 shown in the illustration. The ...

    Traction
    The traction grades, from highest to lowest, are AA, A, B, and C. The grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government ...

    Methyl tertiary butyl ether (MTBE)
    Unleaded fuel containing an oxygenate known as MTBE can be used provided that the ratio of MTBE to conventional fuel does not exceed 15%. MTBE is an ether based compound derived from gasoline, whi ...