See also:

Tire pressures
Check and, if necessary, adjust the pressure of each tire (including the spare) at least once a month and before any long journey. Check the tire pressure when the tires are cold. Use a pressure gaug ...

Selecting preset channels
Presetting a channel with a preset button allows you to select that channel in a single operation. Up to six SAT1, SAT2 and SAT3 channels each may be preset. ...

Total trailer weight
Total trailer weight The total trailer weight (trailer weight plus its cargo load) must never exceed the maximum weight shown in the following table. ...