Battery and Cables
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Vehicles are equipped with a 12-volt, Absorbent Glass Mat (AGM) maintenance-free battery. The battery is a 12V DC source connected in a negative ground system and is a voltage stabilizer for the 12V electrical system.
A battery monitoring sensor is attached to the negative side of the battery cable and a generator current sensor (if equipped) is attached to the positive side of the battery cable. Refer to: appropriate information in DESCRIPTION AND OPERATION