See also:

Tire condition
Inspect your tires frequently for tread wear, signs of damage and for foreign objects lodged in the tread. Check the tread depth. Minimum tread depthThe tread depth should not drop below 0.12 in/3 ...

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. ...

Entertainment
The chapter helps assure your enjoyment when receiving radio and television stations and playing CDs, DVDs and tracks from the music collection. ...