Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
See also:
Engine coolant temperature gauge
This shows the temperature of the engine coolant fluid and begins working when
the fluid temperature exceeds approx. 50°C.
Under normal conditions, the needle should hover around the middle of the ...
Wing window
IMPORTANT
Open and close the wing window only when the vehicle is stationary.
The Fiat Doblò may fit a handy wing window on the roof on the back of the load
compartment to carry long object ...
Seat Belt Maintenance
Do not bleach, dye or clean the seat belts with chemical solvents or abrasive
cleaners. This will weaken the fabric.
Sun damage can also weaken the fabric.
If the seat belts need cleaning, use a m ...