Body Control Unit: Description: Headlamps
The BCU contains a feature which allow the vehicle headlamps to be turned on when the remote transmitter is pressed (courtesy headlamps).
For markets with daylight running lamps, the BCU controls the logical operation of the daylight running lamps. Options are daylight running lamps are on if the main beam headlamps are off, or the daylight running lamps are on with main and dipped beam off and the gearbox not in Park.