Nissan Altima Owners Manual: Underbody

In areas where road salt is used in winter, it is necessary to clean the underbody regularly in order to 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, retreated.

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

    Glass
    When cleaning the rear window, it may be easier to clean if the high-mounted stop light (if so equipped) is removed first. Be careful when removing the high-mounted stop light to reduce the ri ...

    Other materials:

    Rear window defogger relay
    Description Power is supplied to the rear window defogger with BCM control. Component Function Check 1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window de ...

    Audio system (sedan)
    System Diagram System Description AUDIO SYSTEM The audio system consists of the following components • Audio unit • Window antenna • Steering wheel audio control switches • Front door speakers • Tweeters • Rear speakers When the audio system is on, radio signals are received ...

    Auto light system
    System Diagram System Description • BCM (Body Control Module) controls auto light operation according to signals from optical sensor, lighting switch and ignition switch. • IPDM E/R (Intelligent Power Distribution Module Engine Room) operates parking, license plate, tail, front fog ...