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:

    Opening/closing the fuel filler door
    The fuel filler door is located on the right rear fender (indicated by an arrow beside the fuel tank symbol on the information display ) With the ignition switched off, press and release the but ...

    Conserving electrical current
    Keep the following in mind to help minimize battery drain: When the engine is not running, avoid using ignition mode II. Many electrical systems (the audio system, the optional navigation syste ...

    Selecting a station (in wavebands AM/ FM1/FM2)
    Automatic tuning 1. Press RADIO. Continue pressing this button to toggle to the desired waveband (AM, FM1, etc.). 2. Release the button and wait several seconds or press OK/MENU. 3. Press the lef ...