A dead battery after a couple of weeks could be due to a faulty battery or parasitic draw. Undercarriage washes help remove salt and sand, while spray wax is minimally effective and can smudge glass.

A dead car battery is frustrating, but it helps to know the cause. If you're not sure why your car battery keeps dying, here ...

Each battery cell is equipped with a small chip that tracks detailed performance data, including temperature, charge cycles, ...