See also:

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...

Volume
▷ "Speed volume": speed-dependent volume control. ▷ "PDC": volume of the PDC signal compared to the entertainment sound output. ▷ "Gong": volume o ...

Decreasing speed
Repeatedly pull the lever to the resistance point or beyond, arrow 2, until the desired speed is displayed. ▷ Each time the lever is pulled to the resistance point, the desired speed is d ...