For example, when driving with a heavy load or at high speeds (over 160 km/h (100 mph)), tire pressure should be adjusted to the Volvo-recommended tire pressure values. The system should then be reset by saving the new inflation pressure.
To store the new inflation pressure as a reference value in the system:
Switch off the ignition.
Inflate the tire to the correct inflation pressure; see the tire pressure placard on the driver's side B pillar for recommended pressures for factory-mounted tires.
Start the vehicle.
Tap  in the center display.
 in the center display.
 in the center display.
 in the center display.Tap Car status.
Tap Store pressure.
If storing cannot be performed, a message will be displayed.