User Manual - Page 240

For 2021 GRAND CHEROKEE L.

Loading ...
Loading ...
Loading ...
238 SAFETY
Anti-Lock Brake System (ABS) Warning
Light
The yellow ABS Warning Light will turn on when
the ignition is placed in the ON/RUN mode and
may stay on for as long as four seconds.
If the ABS Warning Light remains on or comes
on while driving, it indicates that the anti-lock
portion of the brake system is not functioning
and that service is required. However, the
conventional brake system will continue to
operate normally if the ABS Warning Light is on.
If the ABS Warning Light is on, the brake system
should be serviced as soon as possible to
restore the benefits of Anti-Lock Brakes. If the
ABS Warning Light does not come on when the
ignition is placed in the ON/RUN mode, have
the light repaired as soon as possible.
DROWSY DRIVER DETECTION (DDD)
I
F EQUIPPED
DDD detects when the driver is feeling fatigued
and warns the driver to pull over and take a
break.
To Activate/Deactivate
DDD can be activated and deactivated through
the Uconnect system by selecting the following
in order:
1. “Driver Assistance”
2. “Drowsy Driver Detection”
System Intervention
Using feedback obtained from the driver’s
steering patterns, any buttons/switches that
are pressed, and from the front camera, the
system implements two operating logics:
The first operating logic takes the driving style
into account, observing the road and detecting
to what extent the driver can continue driving
with few lane crossing events.
The second operating logic measures the
time spent behind the wheel with the vehicle
speed above 40 mph (60 km/h) and below
110 mph (180 km/h).
NOTE:
If the conditions described above are not
detected continuously during the entire driving
period, the “Drowsy Driver” message may be
displayed later than two or three hours. If the
driving style indicates that the driver is unable
to follow the road trajectory and respect the
horizontal lane markings, the red symbol will
appear on the instrument cluster display to
suggest that the driver should stop for a break.
An audible signal will also sound.
If the driver accepts the suggestion provided by
the system by pushing the “OK” button on the
left side of the steering wheel, the message will
disappear from the display.
If the driver ignores the warning provided by the
system and does not stop, the message will
continue to remain on the display.
WARNING!
The DDD system is an aid for driving and does
not relieve the driver of the responsibility of
driving the vehicle. If you experience fatigue
while driving, pull over safely for a break
without waiting for the DDD to intervene. Only
return to the road when you are in the right
physical and mental condition to prevent
endangering yourself and other drivers.
21_WL_OM_EN_USC_t.book Page 238
Loading ...
Loading ...
Loading ...