See also:

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

Actions in the event of a flat tire
Normal tires 1. Identify the damaged tire. Do this by checking the air pressure in all four tires. If the tire inflation pressure in all four tires is correct, the Flat Tire Monitor may not hav ...

Service booklet
Perform maintenance work at the service center, and record the work in the service booklet. The entries are proof of regular maintenance. ...