Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
See also:
Brakes
IMPORTANT Water, ice and antifreeze salt on roads may deposit on the brake discs
thus reducing braking efficiency at first braking. ...
Acceleration
Rapid acceleration on snow covered, wet, or other slippery surfaces may cause
the driving wheels to pull erratically to the right or left. This phenomenon occurs
when there is a difference in the ...
Conditions of use
Cold starting
Short journeys and frequent cold starts do not allow the engine to reach optimum
operating temperature. This results in a significant increase in consumption levels
(from +15 to +30 ...