Nissan Altima Owners Manual: Freeing a frozen door lock

To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry function on the Intelligent Key.

    Anti-freeze
    In the winter when it is anticipated that the temperature will drop below 32°F (0°C), check the anti-freeze to assure proper winter protection. For details, see “Engine cooling system” in t ...

    Other materials:

    BCM branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...

    Variable voltage control system
    CAUTION ● Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. ● Use electrical accessories with the engine running to avoid discharging the vehicle battery. Your ...

    On-vehicle repair
    STARTER MOTOR Removal and Installation M/T MODELS Removal 1. Disconnect the negative battery terminal. 2. Disconnect the starter motor harness connectors. 3. Remove the two starter motor bolts, using power tools. 4. Remove the starter motor. Installation Installation is in the reverse ...