See also:

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

Using voice commands
The driver initiates a voice command dialogue by pressing the voice control button (see the illustration on page 240). When a dialogue has been initiated, commonly used commands will be shown in th ...

Changing coolant
Normally, the coolant does not need to be changed. If the system must be drained, consult a trained and qualified Volvo service technician. Do not top off with water only. This reduces the rust- ...