Subaru Impreza 2017 Owner's Manual page 45

When a vehicle in front is detected, a buzzer
sounds 1 short beep and the lead vehicle
indicator will illuminate.
The vehicle follows the lead vehicle in front
and maintains the selected following distance.
At this time, the speed upper limit is the set
vehicle speed. If the vehicle in front is no
longer detected, a buzzer sounds 1 short
beep and the lead vehicle indicator turns off.
While the driver accelerates the vehicle by
depressing the acceleration pedal,
(green) changes to white. When acceleration
has stopped,
The buzzer sound (lead vehicle acquisition sound) that occurs when a vehicle
in front is detected or no longer detected while Adaptive Cruise Control is set
can be turned off by customization.
Refer to page 90.
Operation of Adaptive Cruise Control
When no vehicle in front is detected
The vehicle drives constantly at the set tar-
get vehicle speed between approximately
20 MPH (30 km/h) and 90 MPH (145 km/h).
When a vehicle in front is detected
The vehicle follows the lead vehicle in front,
and will maintain the chosen following dis-
tance (there are three settings), up to the
set target vehicle speed - between 20 MPH
(30 km/h) and 90 MPH (145 km/h).
(white) changes to green.
NOTE
Adaptive Cruise Control
S02395
S01979
S01980
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