Warning and display messages in the multifunction display

Activate ATTENTION ASSIST using

the onboard Activate ATTENTION ASSIST using the onboard computer.
Symbol 1 appears in the multifunction display.

If ATTENTION ASSIST is active, you will be warned no sooner than 20 minutes after your journey has begun. You will then hear an intermittent warning tone twice, and the Attention Assist: Drowsiness Detected message appears in the multifunction display.

Press If necessary, take a break.
to confirm the message. Press On long journeys, take regular breaks in good to confirm the message.

On long journeys, take regular breaks in good time to allow yourself to rest properly. If you do not take a break and ATTENTION ASSIST still detects typical indicators of fatigue or increasing lapses in concentration, you will be warned again after 15 minutes at the earliest.

ATTENTION ASSIST is reset when you continue your journey and starts assessing your tiredness again if:
• you switch off the engine.
• you take off your seat belt and open the driver's door, e.g. for a change of drivers or to take a break.

    See also:

    Important safety notes
    The use of seat belts and infant and child restraint systems is required by law in all 50 states, the District of Columbia, the U.S. territories and all Canadian provinces. Even where this is not ...

    Opening
    - Switch off the engine. - Remove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having removed the S ...

    Tread wear
    The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 wo ...