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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Exterior Lighting System - F150) >> Description And Operation >> Exterior Lighting >> Battery Saver

Battery Saver

WARNING: This page is about a different car, the 2012 Ford Pickup. 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).
NOTE: The battery saver does not  control the parking lamps if the headlamp switch is in the PARKING LAMPS ON position.

To save battery voltage, the BCM provides automatic shut-off of the headlamps and parking lamps after a time-out period when the ignition is off. A timer in the BCM starts when any of the following occur:

When 10 minutes have elapsed, the BCM automatically shuts off voltage to the lamps. The timer restarts (voltage is restored if the BCM is in battery saver mode) if any of the following occurs: