Subaru Forester EyeSight 2015 Owner's Manual page 39

Adaptive Cruise Control
CAUTION
When Adaptive Cruise Control is operating, actual vehicle speed is con-
trolled according to the lead vehicle. Therefore, if the RES/+ switch is
pressed and set to a speed higher than the speed of the lead vehicle, the
vehicle will not accelerate - it will maintain a safe following distance as first
priority.
However because doing so changed the set vehicle target speed, when
the lead vehicle is no longer detected (for example if you change to a free-
way lane with no vehicles in front), the vehicle will accelerate to that new
set target speed. Change the set vehicle target speed while briefly check-
ing the value shown in the set speed display on the meter display.
When the accelerator pedal is depressed with Adaptive Cruise Control on,
automatic braking control and warnings by Adaptive Cruise Control will not
occur. However, if there is a high risk of collision with an obstacle in front of
the vehicle at this time, the warning and braking control of the Pre-Collision
Braking System may activate.
Ordinarily, while Adaptive Cruise Control is functioning, acceleration and
deceleration are performed automatically according to the speed of the
lead vehicle (if one is detected). However, when your vehicle approaches
a lead vehicle, for example if it is necessary to accelerate for a lane
change or other reason, and if the vehicle in front suddenly decelerates, or
if another vehicle cuts into your path, operate the accelerator pedal or
brake pedal and accelerate or decelerate as appropriate for the existing
conditions.
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