It indicates the car speed.
See also:
Replacement Tires
The tires on your new vehicle provide a balance of many characteristics. They
should be inspected regularly for wear and correct cold tire inflation pressure.
The manufacturer strongly recommends ...
Jacking the car
WITH THE JACK
See “If a tyre is punctured” in this section.
WITH A SHOP JACK
From the front
Jack up the car only by positioning the jack arm at the gearbox/differential
and placing a rubber ...