Seat ALTEA XL Owner's Manual page 233

232 Wheels and tyres
For the sake of the environment
Under-inflated tyres lead to increased fuel consumption and tyre wear.
Significant tyre pressure loss

The tyre symbol is displayed and indicates that the tyre pressure for a least
one tyre is insufficient.
– Stop the vehicle.
– Switch the engine off.
– Check the tyre(s).
Change the wheel if necessary ⇒ page 240.
–
Tyre service life
The service life of tyres is dependent on tyre pressure, driving
style and fitting.
Fig. 168 Tyre tread wear
indicators
Fig. 169 Diagram for
changing wheels