Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
System limits
Speed range
Best results are achieved when using the system
on well-developed roads and highways.
The desired speed can be selected between
20 mph/30 km/h to 110 mph/180 km/h.
The system can al ...
Tire tread
Summer tires
Do not drive with a tire tread depth of less than
0.12 in/3 mm.
There is an increased danger of hydroplaning if
the tread depth is less than 0.12 in/3 mm.
Winter tires
Do not driv ...
Xenon headlamps
Because of the long life of these bulbs, the likelihood
of failure is very low. Switching the lamps
on and off frequently shortens their life.
If a bulb fails, switch on the front fog lamps and
...