Rear mirror integrated with back side cameras and lane collision avoidance alarms, window and door locks, roof view or other electrical controlled motor devices are powered by huge amounts of motor drivers in car. They are bus connected and powered for all time standing by when engine is on. It is also where several different DCDC converters working behind for supplying the power demands.
Suggested Codaca Products: VSAB / CSTA / CSTC / VSBX / VSRU