Audi A3  Service and care  Wheels and tyres  Wheels
The correct inflation pressures for tyres fitted at the factory and for the compact temporary spare wheel* are specified on a sticker. The sticker Fig. 1 is on the end face of the driver's door.
-A- Tyre size
-B- Tyre pressure for the front wheels
-C- Tyre pressure for the rear wheels
-1- Tyre pressure if vehicle is partially loaded
-2- Tyre pressure (comfort setting)1) if vehicle is partially loaded
-3- Tyre pressure if vehicle is fully loaded
-4- Tyre pressure for the compact temporary spare wheel*
If you intend to drive the vehicle with a partial load (no more than three people travelling in the vehicle), select the specified tyre pressure -1-. However, if you prefer an extra-smooth ride you can select the comfort setting1) -2-. Should you wish to drive with a full load, you must increase the tyre pressure to the specified maximum -3- WARNING!.
Checking / adjusting the tyre pressures
Check the tyre pressures at least once a month and, in addition, before starting a long journey.
The tyre pressures should only be checked when the tyres are cold. The slightly raised pressures of warm tyres must not be reduced.
Refer to the sticker Fig. 1 for the correct tyre pressures according to the load the vehicle is carrying.
If necessary, adjust the tyre pressure.
Vehicles with tyre pressure loss indicator*: Store the new tyre pressures Link.
Check the pressure of the spare wheel*/compact temporary spare wheel*. Keep the spare tyre inflated to the highest pressure approved for the tyre.
WARNING!
Always adjust the tyre pressures to match your driving style and the load the vehicle is carrying.
  • Excessive loads can cause you to lose control of the vehicle – risk of accident!
  • Under-inflated tyres flex more and can overheat at high speeds or when the vehicle is carrying a heavy load. This could cause a tyre blow-out and you could lose control of the vehicle – risk of accident!
  • Incorrect tyre pressures increase tyre wear and adversely affect vehicle braking and handling – risk of accident!
Caution!
Replace any lost valve caps to prevent damage to the tyre valves.
For the sake of the environment
  • Under-inflated tyres will increase the fuel consumption.
  • Driving with the tyre pressures adjusted to the comfort setting1) may also result in increased fuel consumption.
Note
We recommend always using the tyre pressure setting -1- for partial loads and the setting -3- for full loads.
1) Not available for all vehicles or in all countries

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