See also:

What is an Onboard Diagnostic System (OBD II)?
OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission controls. It can light the Check Engine light (MIL) if it ...

Sensor location
• The sunlight sensor is located on the top side of the dashboard. NOTE The sunlight sensor monitors which side of the car that is most exposed to sunlight. This can mean that the temperature m ...

Driving on rough/unpaved surfaces
The Volvo XC90 is designed primarily for onroad driving, and it has excellent handling characteristics on very rough or unpaved roads. When driving on poorly maintained or unpaved roads, please ...