Volvo XC90: Driver support / Radar sensor
The radar sensor is used by several driver support systems to detect other
vehicles.

Location of radar sensor
The radar sensor is used by the following functions:
- Distance Alert*
- Adaptive Cruise Control*
- Pilot Assist*
- Lane Keeping Aid
- City Safety
- Steering assistance at risk of collision
Any modifications to the radar sensor may make its use illegal.
* Option/accessory.
(Option/accessory.
Messages for Park Assist Pilot (PAP1) may be displayed in the instrument
panel and/or the center display. Several examples are provided below...
The type approval for the vehicle's radar units for adaptive cruise control*
(ACC1), Pilot Assist* and BLIS*2 are found here.
This device complies with Part 15 of the FCC Rules and with Industry Canada licenseexempt
RSS standard(s)...
Other information:
It is important to have the vehicle's systems and equipment checked carefully
before driving long distances.
Check that
the engine is running properly and that fuel consumption is normal
there are no leaks (fuel, oil or other fluid)
the brake pedal is functioning properly
tire tread depth and air pressure are at correct levels...
(Option/accessory.)
Steering assistance has several sub-functions. If you become distracted and
do not notice your vehicle starting to veer out of the lane while another vehicle
is approaching from behind or is in your vehicle's blind spot, Steering assistance
during collision risks from behind can help provide assistance...