Tire pressure monitoring light

Tire pressure monitoring light - Instrument panel - Instruments and controls - Volvo XC90 Owners Manual - Volvo XC90

system uses sensorsThe tire pressure monitoring system uses sensors mounted in the tire valves to check inflation pressure levels. When the vehicle is moving at a speed of approximately 20 mph (30 km/h) or faster, these sensors transmit inflation pressure data to a receiver located in the vehicle.

    See also:

    Current speed in mph (Canadian models only)
    This function provides the driver with an instantaneous conversion of the car's current speed from km/h to mph. ...

    Weights
    A FWD = Front Wheel Drive B AWD = All Wheel Drive ...

    Crash event data
    This vehicle is equipped with an event data recorder (EDR). The main purpose of an EDR is to record, in certain crash or near crash-like situations, such as an air bag deployment or hitting a road ...