Press button h. Each pulse on the button will obtain increase by one unit. Automatic fast increase is obtained by keeping the button pressed for few seconds. When you are near the required value, release the button and complete adjustment with single presses.
See also:
Lane Change Assist
Tap the lever up or down once, without moving beyond the detent, and the turn
signal (right or left) will flash three times then automatically turn off. ...
Seat Bel
Inspect the belt system periodically, checking for cuts, frays, and loose parts.
Damaged parts must be replaced immediately. Do not disassemble or modify the system.
Front seat belt assemblies must ...