Volvo 2007 S80 Owner's Manual page 140

Adjusting the set speed
After a speed has been set, it can be increased or decreased by using the
Press and hold down
button is released.
Press or r for approximately a half second and release the button to increase or decrease vehicle speed by
approximately 1 mph (1.6 km/h).
NOTE
A temporary increase in speed, for less than 1 minute (e.g. when passing another car), does not affect the current
cruise control setting. The vehicle will automatically return to the previously set speed when the accelerator pedal is
released.
If one of the cruise control buttons is kept depressed for more than approx. 1 minute cruise control is disengaged.
The engine must then be switched off in order to reset cruise control.
Automatic deactivation
Cruise control is automatically deactivated temporarily if one of the following occurs:
If the speed drops below approximately 20 mph (30 km/h).
When the brake pedal is depressed.
If the gear selector is moved to position N.
During wheel spin or wheel lock-up.
If the vehicle's speed is increased by using the accelerator pedal for more than 1 minute.
The currently set speed will be saved in the system's memory.
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04 Comfort and driving pleasure
Cruise control
Temporary deactivation
The driver can temporarily deactivate cruise control by pressing 0. The saved speed is shown in brackets in the
information display.
Resume set speed
If cruise control has been deactivated temporarily, it can be reactivated by pressing
the most recently set speed.
WARNING
There may be a significant increase in speed after the
Deactivation
Cruise control is disengaged with CRUISE, by putting the gear selector in Neutral, or by switching off the engine. The
set speed is cleared.
WARNING
or until the vehicle reaches the desired speed. This will become the set speed when the
or
button has been pressed.
buttons.
. The vehicle's speed returns to