SMART FORTWO CABRIO Operating Instructions Manual page 50

Instrument cluster
Multi function display
In each case press button (A) once to
switch between the following func
tions:
Trip odometer
Daily trip odometer (when held down
for a few seconds it returns to zero)
Outside temperature*
Residual litres display (when there
are fewer than 5 litres of fuel in the
fuel tank)
48 Blind date
>Note on outside temperature display*
The temperature display will respond
sluggishly when temperatures rapidly
rise or fall.
This ensures that the temperature read
ing is not falsified by the heat of the en
gine e.g. when the car is at a standstill
or travelling relatively slowly.