See also:

Deposit control gasoline (detergent additives)
Volvo recommends the use of detergent gasoline to control engine deposits. Detergent gasoline is effective in keeping injectors and intake valves clean. Consistent use of deposit control gasolines ...

Steering wheel keypad
The keypad varies according to the vehicle's equipment 1 Turn the thumb wheel to go up/down among menu selections. Press the thumb wheel to make a selection or store a function in the system' ...

Changing a wheel
Location of jack and tools ...