System functions

The functions of the exterior lights are integrated within the footwell module (FRM).

These lighting function are:

• Side lights
• Driving light
• High-beam headlight
  • Headlight flasher
• Turn indicator
  • Hazard warning flashers
• Tail light
• Number-plate light
• Dynamic brake light, brake light
• Reversing lights
• Rear fog light (European market version)
• Parking light
• Welcome lights
• Headlight courtesy delay feature
• Daytime driving lights

The headlight lighting functions are controlled by a headlight driver module on each side are supplied with voltage by the footwell module (FRM). The headlight driver module receives the information used to control the voltage supply to the light source from the footwell module (FRM) through the LIN bus. The LEDs, for example in the additional brake light or tail light, are 100% pulse width-activated. On vehicles with xenon headlights or LED headlights, a power distribution box is responsible for the dimming.

In addition to these lighting functions, other exterior lights functions are also integrated in the footwell module (FRM):

• Automatic driving lights control
• Dynamic headlight beam throw adjustment
• Light monitoring
  • Cold monitoring at "lights off"
  • Hot monitoring at "lights on"
• Optical alarm and optical feedback signal
  • Central locking system
  • Alarm system
  • Crash message
• Emergency lighting with "Terminal 15 off"
• Emergency operation
• Adaptive Headlights
  • Variable light distribution

The following system functions are described:

• Side lights, low and high-beam headlight
• Bi-xenon headlights
• Welcome lights
• Headlight courtesy delay feature
• Automatic driving lights control
• Adaptive Headlights
• Variable light distribution
• Automatic headlight beam throw adjustment
• High-beam assistant
• Turn indicator
• Hazard warning flashers
• Brake light
• Reversing lights
• Rear fog light
• Parking light
• Visual feedback signal from central locking system
• Emergency lighting with "Terminal 15 off"