See also:

Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption and minimizes wear. ...

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. The speed specified using the lever on the steering column is maintained. The system brakes on downhill gradients if engin ...

Check the tire inflation pressure regularly
Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...