Tire pressure
This is pressure inside the tire applying an outward force to each square inch of the tire's surface. The tire pressure is specified in pounds per square inch (psi), in kilopascal (kPa) or in bar. The tire pressure should only be corrected when the tires are cold.
See also:
Cruise control lever
1 To store the current speed or a higher speed
2 To store the current speed or a lower speed
3 To deactivate DISTRONIC PLUS
4 To store the current speed or to call up the last stored speed
...
Making adjustments in 5 mph (Canada:10 km/h) increments
► Briefly press the cruise control lever
beyond the pressure point, up 1 for a
higher speed or down 2 for a lower speed.
The last speed stored is increased or
reduced. ...
Traction
Traction is the result of friction between the
tires and the road surface. ...