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 will help ensure good drivability and fuel economy. If you are not sure whether the gasoline contains deposit control additives, check with the service station operator.
NOTE
Volvo does not recommend the use of external fuel injector cleaning systems.
See also:
Volvo programs
Volvo On Call Roadside Assistance
Your new Volvo comes with a four year ON CALL roadside assistance. Additional
information, features, and benefits are described in a separate information package
...
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