If the BRAKE and ABS warning lights comeon at the same time, this could indicate afault in the brake system.

If the BRAKE and ABS warning lights comeon at the same time, this could indicate afault in the brake system.  - Instrument panel - Instruments and controls - Volvo XC90 Owners Manual - Volvo XC90

• Stop the vehicle in a suitable place and switch off the engine.
• Restart the engine.
• If both warning lights go off, no further action is required.
• If both lights are still on after the engine has been restarted, switch off the engine again and check the brake fluid level (see page 218 for the location of the brake fluid reservoir).

If the brake fluid level is above the MIN mark, drive carefully to a trained and qualified Volvo service technician and have the brake system inspected.

WARNING
If the fluid level is below the MIN mark in the reservoir or if a Brake failure – Service urgent message is displayed in the text window: DO NOT DRIVE. Have the vehicle towed to a trained and qualified Volvo service technician and have the brake system inspected.

    See also:

    Increasing or decreasing speed
    Use + or – in the following ways to increase or decrease the vehicle's speed: 1. Press and hold down + or – until the vehicle reaches the desired speed. 2. Press + or – for approximately a hal ...

    Indicator and information symbols
    Fault in the Active Bending Light (ABL) system This symbol will illuminate if the there is a fault in the ABL system. See page 93 for more information about this system. Malfunction ...

    Emergency stop
    If the seat accidentally begins to move, press one of the buttons to stop the seat. WARNING • Because the driver's seat can be adjusted with the ignition off, children should never be left una ...