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 ...

Cabin air filter
Replace the cabin air filter with a new one at the recommended intervals. Please refer to your Warranty and Service Records Information booklet, or consult a trained and qualified Volvo service te ...

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 ...