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Home >> Lincoln >> 2010 >> Navigator RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Interior Lighting System) >> Description And Operation >> Interior Lighting >> Battery Saver

Battery Saver

WARNING: This page is about a different car, the 2010 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Time-out is 1 minute if the vehicle has less than 80 km (50 miles).

The SJB  provides automatic shut-off of the demand lamps and courtesy lamps after 10 minutes in order to save battery voltage. A timer in the SJB  is started when the ignition is turned to the OFF position and all the doors are closed. When 10 minutes have elapsed, the voltage is automatically shut off to the lamps by the SJB. While the SJB  has voltage disabled, if the ignition is turned to any position other than OFF, any door becomes ajar, the UNLOCK button of the Remote Keyless Entry (RKE) transmitter is pressed, a valid keypad code is entered, an unlock request from the door lock cylinder is received, or the instrument panel dimmer switch is turned on, the SJB  restores voltage and starts the timer again.