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 ...

High beam, Halogen
1. Remove the headlight housing from the vehicle (see page 306). 2. Remove the cover over the bulbs (see page 308). 3. Remove the bulb by turning it counterclockwise and pulling it straight out. ...

Limitations
Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see ...