- Fig. 1 Display: Indicator lamp with message
Applies to vehicles: with tyre pressure monitoring system and V12 TDI engine
The red warning lamp will appear if one or more of the tyres has lost a large amount of pressure.
If the warning lamp 
appears, the tyre pressure on at least one of the wheels is too low.
appears, the tyre pressure on at least one of the wheels is too low.Stop the vehicle.
Check the tyre(s).
Change the wheel if necessary Link.
If the tyre pressure is more than 0.5 bar below the reference value, the warning lamp will appear together with a message specifying which tyre is affected: in this case vorne links (front left) Fig. 1.
will appear together with a message specifying which tyre is affected: in this case vorne links (front left) Fig. 1.Note
If you have deliberately reduced the tyre pressures for any reason, the new pressures must be stored in the system as the reference values Link.