Volvo XC90: Driver support / Driver Alert Control limitations
Driver Alert Control (DAC) functionality may be reduced in certain situations.
In certain situations, the system may provide a warning even if it has not detected
a change in driving behavior, e.g.:
- in strong crosswinds
- on grooved road surfaces.
WARNING
In certain cases, driving behavior might not be affected despite the driver's
fatigue – when using the Pilot Assist* function – resulting in the driver not getting
a warning from DAC.
It is therefore very important to always stop and take a break at the slightest
sign of fatigue, regardless of whether the function has issued a warning or not.
NOTE
The function uses the vehicle's camera and radar sensor, which has certain
general limitations.
* Option/accessory.
In vehicles equipped with Sensus Navigation*, the driver can activate a guide
that can automatically suggest a suitable rest stop if the Driver Alert Control
(DAC) warning is given...
(Option/accessory.)
The Distance Alert function can help the driver become aware if the time interval
to the vehicle in front is too short. The vehicle must be equipped with a head-up
display* in order to display Distance Alert...
Other information:
Starting voice control1
Voice commands are given through
a "dialog" with the voice control system. Press the button for voice control
on the right-side steering wheel keypad
to activate the system and initiate a voice command dialog. When you press the button,
a beep will sound and the voice control symbol will appear in the instrument panel...
Correct inflation pressure helps improve driving stability, save fuel and
increase the service life of the tires.
Tire pressure decreases over time, which is normal. Tire pressure also varies
depending on the ambient temperature. Driving on underinflated tires could cause
the vehicle to overheat and lead to damage...