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 gasol ...

Instrument overview
1 Headlights/Parking lights 2 Panel vents 3 Display 4 Temperature gauge 5 Odometer/Trip odometer/Cruise control indicator 6 Speedometer 7 Turn signal indicator lights 8 Tachometer 9 Amb ...

Setting a time interval
Controls and display 3 Time interval: Increase/decrease 6 Time interval: On, while it is being set 7 Time interval: On, after it has been set Press to increase the interval or to decrease ...