3-22 BA 348-01 * 2.0 * 34801b330.fm
3 Operation
Backrest extension (air suspension)
☞Adjust the backrest extension as follows:
• Pull or push the backrest extension beyond the notch
➥ The backrest extension can be adjusted up to the limit
• To remove, pull the backrest extension upward sharply beyond the limit
Lumbar support (option)
☞Adjust the backrest curvature as follows:
• Turn the handwheel upward to adjust the curvature in the upper part, and downward
to adjust it in the lower part of the backrest cushioning
➥ 0 = no curvature
➥ 1 = maximum curvature in upper part
➥ 2 = maximum curvature in lower part
Heated seat (option)
☞The seat heating is switched on or off with switch A.
Fig. 48 : Backrest extension