When the boot is opened, the two luggage compartment lights come on and go off when the boot is closed.The light in the glove compartment is turned on when the glove compartment is opened and turned off when the compartment is closed.The lights located beneath each of the sun blinds are turned on by a switch on the lights.The power supplies to the boot, glove compartment and sun blind lights follow a batttery voltage control logic (known as SBMT). the Body Computer continuously acquires the battery voltage signal and compares it with its own limit value.With the ignition OFF or key out (STOP), a 15 minute timer starts when any of the doors or the boot is opened. The lights are deactivated after this time limit.