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 ...

Brake system
The brake system is a hydraulic system consisting of two separate brake circuits. If a problem should occur in one of these circuits, it is still possible to stop the vehicle with the other br ...

Speed-dependent steering force*
Steering force increases with the speed of the vehicle to give the driver enhanced sensitivity. At low speed the vehicle is easy to steer in order to facilitate parking, etc. Steering force can b ...