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 ...

Using City Safety
NOTE The City Safety™ function is activated automatically each time the engine has been switched off and restarted. On and Off In certain situations, it may be desirable to switch City Safety ...

Shiftlock
When your vehicle is parked, the gear selector is locked in the P (Park) position. To release the selector from this position, the ignition must be in mode II (see page 82) or the engine must ...