A mechanic spent hours tracking down a battery drain only to discover the real cause […] ...
When you leave your car parked for a while, it enters "sleep" mode, but it isn't fully off. Certain systems, like alarms, keyless entry receivers, and onboard computers remain active. Modern vehicles, ...
Dear Doctor: Is there any way to check an alternator at home while it is still in the car? The alternator is 2 years old and if the car sits for a week the battery is dead. — James Dear James: ...