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:

    What is an Onboard Diagnostic System (OBD II)?
    OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission controls. It can light the Check Engine light (MIL) if it ...

    Types of lists used in the manual
    Procedures Procedures (step-by-step instructions), or actions that must be carried out in a certain order, are arranged in numbered lists in this manual. 1 If there is a series of illustrations a ...

    Average speed
    The system calculates the average speed from the last resetting. Reset using RESET. ...