Hella TC-400 Instructions De Montage page 55

GB CHECK WHEEL LOCATION
9a With Spare Wheel
When Check button is pressed again within 1 minute,
display will exit set up mode.
9b For 6 Wheel Vehicles
When Check button is pressed again within 1 minute,
display will show Left Outer Rear tire condition.
Display will dim after 1 minute or proceed to Step 10
For 6 Wheel Vehicles
10
5 5 5 5
When Check button is pressed again within 1 minute,
display will show Spare Tire condition.
Display will dim after 1 minute or proceed to Step 11
11
For 6 Wheel Vehicles with Spare Wheel
When Check button is pressed again within 1 minute,
display will exit set up mode.