See also:

W – Winter/Wet driving mode –enhanced vehicle traction
Press the W button at the base of the gear selector to engage/disengage this driving mode (see illustration). The W symbol will appear in the display (see page 58) when the function is activated ...

Driving dynamics: steering, brakes and transmission
All XC70 models get Volvo's innovative AWD (All-Wheel Drive) transmission as standard. This advanced system, which automatically apportions torque front-to-rear depending on need, improves the XC7 ...

How do states use OBD II for emission inspections?
Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission ...