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 ...

Clock
Clock and setting control 1 - Display 2 - Control for setting the clock Turn the control clockwise/counterclockwise to set the time. The set time is shown in the information display. The clock ...

Electrical system
General information 12-volt system with voltage controlled generator. Single wire system in which the chassis and engine block are used as conductors, grounded on the chassis. Battery If you ...