2018 Hyundai Santa Fe brake

553
Driving your vehicle
✽
✽NOTICE
• The DBC does not turn ON in the
P (Park) position.
• The DBC may not activate if the ESC (or ABS) is activated.
• Noise or vibration may occur from the brakes when the DBC is acti-
vated.
• The rear stop light comes on when the DBC is activated.
• Always turn OFF the DBC on nor- mal roads. The DBC might acti-
vate from the standby mode dur-
ing abrupt cornering or driving
over speed bumps.
Hill-start assist control (HAC)
A vehicle has the tendency to roll
back on a steep hill when the driver
begins to accelerate after a stop. The
Hill-start Assist Control (HAC) pre-
vents the vehicle from rolling back by
operating the brakes automatically
for about 1.5 seconds. The brakes
are released when the accelerator
pedal is depressed or after about 1.5
seconds.WARNING
Unnecessary or unwanted
DBC activation may result in
an accident.
On a very steep hill even though the brake pedal or
accelerator pedal is depressed
the DBC may not deactivate.
WARNING
The HAC is activated only for
about 1.5 seconds, so always
depress the accelerator pedal to
begin accelerating after a stop.

Driving your vehicle
54
5
✽
✽
NOTICE
• The HAC does not operate when
the transaxle shift lever is in the P
(Park) or N (Neutral) position.
• The HAC activates even though the ESC is off but it does not acti-
vate when the ESC has malfunc-
tioned.
Good braking practices
After being parked, check to be
sure the parking brake is not
engaged and that the parking
brake indicator light is out before
driving away. Driving through water may get the
brakes wet. They can also get wet
when the vehicle is washed. Wet
brakes can be dangerous! Your
vehicle will not stop as quickly if the
brakes are wet. Wet brakes may
cause the vehicle to pull to one side.
To dry the brakes, apply the brakes
lightly until the braking action returns
to normal, taking care to keep the
vehicle under control at all times. If
the braking action does not return to
normal, stop as soon as it is safe to
do so and call an authorized
HYUNDAI dealer for assistance.
Don't coast down hills with the vehicle out of gear. This is extreme-
ly hazardous. Keep the vehicle in
gear at all times, use the brakes to
slow down, then shift to a lower
gear so that engine braking will
help you maintain a safe speed.
Don't "ride" the brake pedal. Resting your foot on the brake
pedal while driving can be danger-
ous because it can result in the
brakes overheating and losing their
effectiveness. It also increases the
wear of the brake components.
WARNING
Whenever you leave or parkyour vehicle, always set the
parking brake as far as possi-
ble and fully engage the vehi-
cle's transaxle into the P (Park)
position. If the parking brake is
not fully engaged, the vehicle
may move inadvertently and
injure yourself and others.
All vehicles should always have the parking brake fully
engaged when parking to
avoid inadvertent movement
of the vehicle which can injure
occupants or pedestrians.

555
Driving your vehicle
If a tire goes flat while you are driv-ing, apply the brakes gently and
keep the vehicle pointed straight
ahead while you slow down. When
you are moving slowly enough for it
to be safe to do so, pull off the road
and stop in a safe place.
If your vehicle is equipped with an automatic transaxle, don't let your
vehicle creep forward. To avoid
creeping forward, keep your foot
firmly on the brake pedal when the
vehicle is stopped.
Use caution when parking on a hill. Firmly engage the parking brake
and place the shift lever in P (auto-
matic transaxle). If your vehicle is
facing downhill, turn the front
wheels into the curb to help keep
the vehicle from rolling. If your vehi-
cle is facing uphill, turn the front
wheels away from the curb to help
keep the vehicle from rolling. If
there is no curb or if it is required
by other conditions to keep the
vehicle from rolling, block the
wheels. Under some conditions your park-
ing brake can freeze in the
engaged position. This is most like-
ly to happen when there is an
accumulation of snow or ice
around or near the rear brakes or if
the brakes are wet. If there is a risk
that the parking brake may freeze,
apply it only temporarily while you
put the gear selector lever in P
(automatic transaxle) and block the
rear wheels so the vehicle cannot
roll. Then release the parking
brake.
Do not hold the vehicle on an incline with the accelerator pedal.
This can cause the transaxle to
overheat. Always use the brake
pedal or parking brake.

Driving your vehicle
58
5
The AEB can be successfully
activated
When the AEB is selected on the
LCD display, and when the following
prerequisites are satisfied.
- The ESC (and TCS) is activated.
- Driving speed exceeds approxi- mately 6mph (10km/h). (The AEB
is only activated within a certain
speed range.)
- The system detects a pedestrian or a vehicle in front, which may collide
with your vehicle. (The AEB may
not be activated or may sound a
warning alarm in accordance with
the driving situation or vehicle con-
dition.)
AEB warning message and
system control
The AEB produces warning mes-
sages and warning alarms in accor-
dance with the collision risk levels.
Also, it controls the brakes in accor-
dance with the collision risk levels.
WARNING
The driver can either activate or deactivate the AEB by
selecting 'User Settings',
'Driving Assist' and enabling/
disabling the feature.
However, for your safety, oper-
ate the AEB after parking the
vehicle on a safe location.
The AEB automatically acti- vates upon placing the igni-
tion switch to the ON position.
The driver can deactivate the
AEB by canceling the system
setting on the LCD display.
The AEB automatically deacti- vates upon canceling the
ESC. When the ESC is can-
celed, the AEB cannot be acti-
vated on the LCD display.

559
Driving your vehicle
Forward Warning (1stwarning)
The warning message appears on
the LCD display with the warning
alarms.
Collision Warning (2ndwarning)
This warning message appears onthe LCD display with a warning
chime.
The AEB system limitedly controls the brakes to preemptively mitigate
impact in a collision.
Emergency braking
(3rdwarning)
This warning message appears on the LCD display with a warning
alarm.
The AEB system limitedly controls the brakes to preemptively mitigate
impact in a collision.
- The brake control is maximizedjust before a collision.
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Driving your vehicle
60
5
Brake operation
In an urgent situation, the braking
system enters into the ready status
for prompt reaction against the dri-
ver’s depressing the brake pedal.
The AEB provides additional brak- ing power for optimum braking per-
formance, when the driver depress-
es the brake pedal.
The braking control is automatically deactivated, when the driver sharply
depresses the brake pedal, or when
the driver abruptly operates the
steering wheel.
The braking control is automatically canceled, when risk factors disap-
pear.CAUTION
The driver should always exer-cise caution to vehicle opera-tion, even when there is nowarning message or warningalarm.
WARNING
The braking control cannot
completely stop the vehicle nor
avoid all collisions. The driver
should hold the responsibility
to safely drive and control the
vehicle.
WARNING
The AEB operates in accor-
dance with the risk levels, such
as the distance from the vehi-
cle/passer-by in front, the speed
of the vehicle/passer-by in front,
and the driver's vehicle opera-
tion.

Driving your vehicle
62
5
System malfunction
When the AEB is not working prop-
erly, the AEB warning light ( )
will illuminate and the warning
message will appear for a few sec-
onds. After the message disap-
pears, the master warning light
( ) will illuminate. In this occurs,
have the vehicle inspected by an
authorized HYUNDAI dealer.
The AEB warning message may appear along with the illumination
of the ESC warning light.
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WARNING
The AEB is only a supplemen-tal system for the driver's con-
venience. The driver still
maintains responsibility to
control the vehicle. Do not
solely depend on the AEB
system. Rather, maintain a
safe braking distance, and, if
necessary, depress the brake
pedal to lower the driving
speed.
The AEB may unnecessarily produce warning messages
and warning alarms. Due to
sensor limitations, the AEB
may not produce warning
messages or the warning
alarm at all.
When there is a malfunction with the AEB, the braking con-
trol does not operate upon
detecting a collision risk even
with other braking systems
normally operating.
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(Continued)
The AEB operates only for thevehicle / pedestrian in front,
while driving forward. It does
not operate for any animals or
vehicles in the opposite direc-
tion.
The AEB can not recognize the side-profile of vehicles,
such as in the case of cross-
traffic at an intersection, or a
vehicle pulling out of a drive-
way.

563
Driving your vehicle
Limitation of the system
The AEB monitors driving conditions
through the radar and the camera
sensor. For any vehicle activity
occurring outside the sensor's range
and field of view, the AEB may not be
able to react. The driver should exer-
cise caution in the following situa-
tions, as the AEB operation may be
limited:
Recognizing vehicles
- The radar or the camera isobscured by foreign substances.
- In heavy rain or snow
- There is electromagnetic interfer- ence.
- The object in front deflects the radar beam due to extreme angles
or an extremely irregular surface.
- The vehicle in front has a narrow body. (i.e. motor cycle and bicycle)
- The sysem cannot identify objects in front due to driving into the at
dusk/dawn, bright reflections, or
darkness. - The camera cannot fit the full out-
line of a vehicle in front.
- The vehicle in front has cargo extending beyond the back of the
vehicle or has a high ground clear-
ance.
- The vehicle in front does not turn ON the rear lights, does not have
rear lights, has asymmetric rear
lights, or has rear lights out of
angle.
- Outside brightness changes sud- dently, such as entering/exiting a
tunnel.
- Vehicle driving is erratic.
- The radar/camera sensor recogni- tion is limited. - Driving on a curve
The AEB performance decreases
while driving on a curve. The AEB
may not recognize vehicles in front
that are in the same lane. It may
unnecessarily produce the warning
message and the warning alarm for
vehicles in a different lane, or it may
not produce the warning message
and the warning alarm at all.
While driving on a curve, exercise
caution, and, if necessary, depress
the brake pedal.
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