Volvo FM Handbook page 321

310 Cab
2 Depress button 1 once
The seat will revert to the stored position.
Overview
1 Move the seat cushion lengthwise
2 Move the whole seat lengthwise
3 Damping
The hardest setting corresponds to a fixed seat.
4 Seat tilt
5 Move the whole seat up or down
On seats without suspension, the control acts as a
lock. To lower the seat, release the lock and
remain seated. To raise the seat, stand up and
release the lock.
6 Heating (extra equipment)
7 Lumbar support
8 Ventilation (extra equipment)
Use position one for maintaining the correct
climate comfort and position 2 for quickly
reaching the correct climate comfort.
9 Reclines the upper part of the backrest
10 Recline the whole of the backrest
Overview
1 Not used
2 Move the whole seat lengthwise
3 Damping
The hardest setting corresponds to a fixed seat.
4 Seat tilt
5 Move the whole seat up or down
On seats without suspension, the control acts as a
lock. To lower the seat, release the lock and
remain seated. To raise the seat, stand up and
release the lock.
6 Not used
7 Lumbar support
8 Not used
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J0010243