See also:

Communication
All of the options available to you for mobile communication with family, friends, business partners, and service providers are described in this chapter. ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Checking the pressure
Only check the tire inflation pressure when the tires are cold. This means after driving no more than 1.25 miles/2 km or when the vehicle has been parked for at least 2 hours. When the tires a ...