GMC Yukon 2021 - Page 262

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-13690468) - 2021 - CRC - 2/18/20
Driving and Operating 261
Warning (Continued)
Under many conditions, these systems
will not:
.
Detect children, pedestrians, bicyclists,
or animals.
.
Detect vehicles or objects outside the
area monitored by the system.
.
Work at all driving speeds.
.
Warn you or provide you with enough
time to avoid a crash.
.
Work under poor visibility or bad
weather conditions.
.
Work if the detection sensor is not
cleaned or is covered by ice, snow,
mud, or dirt.
.
Work if the detection sensor is
covered up, such as with a sticker,
magnet, or metal plate.
.
Work if the area surrounding the
detection sensor is damaged or not
properly repaired.
Complete attention is always required
while driving, and you should be ready to
take action and apply the brakes and/or
steer the vehicle to avoid crashes.
Audible or Safety Alert Seat
Some driver assistance features alert the
driver of obstacles by beeping. To change
the volume of the warning chime, see
“Comfort and Convenience” under Vehicle
Personalization 0 125.
If equipped with the Safety Alert Seat, the
driver seat cushion may provide a vibrating
pulse alert instead of beeping. To change
this, see “Collision/Detection Systems” under
Vehicle Personalization 0 125.
Cleaning
Depending on vehicle options, keep these
areas of the vehicle clean to ensure the best
driver assistance feature performance. Driver
Information Center (DIC) messages may
display when the systems are unavailable or
blocked.
.
Front and rear bumpers and the area
below the bumpers
.
Front grille and headlamps
.
Front camera lens in the front grille or
near the front emblem