See also:

DSTC system
The Dynamic Stability and Traction Control system (DSTC) ...

The radar sensor and its limitations
In addition to being used by ACC, the radar sensor is also used by Distance Alert (see page 165) and Collision Warning with Full Auto-brake and Pedestrian Detection (see page 173). This sensor is ...

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 ...