Volvo 2007 S80 Owner's Manual page 146

The set time interval to vehicles ahead is increased with
shown briefly in the display following adjustment.
Five different time intervals can be selected.
A longer time interval results in smoother speed control. The recommended time interval is three to five.
Time intervals one and two are primarily intended for driving in queues in heavy traffic, in which case you must
intervene more often.
WARNING
Only use the time interval that is permitted by local traffic regulations.
Deactivating and resuming settings
Cruise control is deactivated, either with a short press on
The set speed is then shown in parentheses. Speed and time interval are resumed with one press on
WARNING
There may be a significant increase in speed after the
A short press on in standby mode or a long press in active mode deactivates cruise control. The set speed is then
cleared and cannot be resumed.
Symbols on the display
149
04 Comfort and driving pleasure
Adaptive Cruise Control-ACC
Messages on the display
and decreased with
, or by action taken by the driver, such as braking, etc.
button has been pressed.
. The current time interval is
.