Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Driving and Operating
195
If a vehicle is detected in your path,
ACC can speed up the vehicle or
apply limited, moderate braking to
maintain the selected following gap.
To disengage ACC, apply the brake.
If the Traction Control System (TCS)
or StabiliTrak
®
electronic stability
control system activates while ACC
is engaged, ACC may automatically
disengage. See
.
When road conditions allow ACC to
be safely used, ACC can be turned
back on. ACC will not engage if the
TCS or StabiliTrak electronic
stability control system is disabled.
{
Warning
ACC has limited braking ability
and may not have time to slow
the vehicle down enough to avoid
a collision with another vehicle
you are following. This can occur
when vehicles suddenly slow or
stop ahead, or enter your lane.
Also see
“
Alerting the Driver
”
in
this section. Complete attention is
(Continued)
Warning (Continued)
always required while driving and
you should be ready to take
action and apply the brakes. See
.
{
Warning
ACC will not detect or brake for
children, pedestrians, animals,
or other objects.
Do not use ACC when:
.
On winding and hilly roads
or when the sensors are
blocked by snow, ice, or dirt.
The system may not detect
a vehicle ahead. Keep the
entire front of the vehicle
clean.
.
Visibility is low, such as in
fog, rain, or snow
conditions. ACC
performance is limited under
these conditions.
(Continued)
Warning (Continued)
.
On slippery roads where
fast changes in tire traction
can cause excessive
wheel slip.
5
:
Press to turn the system on or
off. The indicator turns white on the
instrument cluster when ACC is
turned on.
RES+ :
Press the control up briefly
to make the vehicle resume to a
previously set speed, or hold