Introduction

The Dynamic Stability and Traction Control system (DSTC) consists of a number of functions designed help reduce wheel spin, counteract skidding, and to generally help improve directional stability.
CAUTION A pulsating sound will be audible when the system is actively operating and is normal.
See also:
Crash mode
Crash mode ...
Functions
1 A/C – ON/OFF
• The air conditioning functions only at temperatures
above 32°F (0°C).
• While the Defroster function is selected,
the air conditioning is temporarily activated
to dehumidify the ...
Comfort and convenience
While the interior of the Volvo S40 places an emphasis on style, form has not
been allowed to take precedence over function. The fascia ergonomics have been
carefully designed and drivers will fin ...
