Jeep GRAND CHEROKEE 2023, Owner'S Manual

Page: 241 / 394

240 SAFETY
If a PEB event begins at a speed below 39 mph (62 km/h),
the system may provide maximum braking to mitigate the
potential collision with a pedestrian. If the PEB event stops
the vehicle completely, the system will hold the vehicle at
a standstill for two seconds and then release the brakes.
When the system determines a collision with the
pedestrian/cyclist in front of you is no longer probable, the
warning message will be deactivated.
The minimum speed for PEB activation is 3 mph (5 km/h).
Turning PEB On Or Off
NOTE:
The default status of PEB is “On.” This allows the system
to warn you of a possible frontal collision with the
pedestrian/cyclist.
The PEB button is located in the Uconnect display in the
Controls settings Ú page 168.
To turn the PEB system off, push the Pedestrian
Emergency Braking button.
To turn the PEB system back on, push the Warning Active
Braking button.
Changing the PEB status to “Off” deactivates the system,
so no warning or active braking will be available in case of
a possible frontal collision with the pedestrian/cyclist.
NOTE:
The PEB system will NOT retain the last setting selected by
the driver after ignition shut down. The system will reset to
the default setting when the vehicle is restarted.
Intersection Collision Assist (ICA) —
If Equipped
ICA uses three front radar sensors located in the front
fascia/bumper, to detect oncoming vehicles from the front
or side when driving through an intersection. When the
system determines that a collision is probable when
turning across oncoming traffic, the system will attempt to
mitigate a possible collision by decelerating the vehicle.
When the system determines that a collision with a
crossing vehicle is probable, the system may apply
additional braking to supplement the driver braking input
to attempt to mitigate a possible collision.
The system will also provide audible warnings and visual
warnings (shown in the instrument cluster). If the driver
determines acceleration is needed to avoid a collision,
when the accelerator is pressed ICA will cancel.
T
IRE
P
RESSURE
M
ONITORING
S
YSTEM
(TPMS) — I
F
E
QUIPPED
The TPMS will warn the driver of a low tire pressure based
on the vehicle recommended cold tire pressure.
The tire pressure will vary with temperature by about 1 psi
(7 kPa) for every 12°F (6.5°C). This means that when the
outside temperature decreases, the tire pressure will
decrease. Tire pressure should always be set based on
cold inflation tire pressure. This is defined as the tire
pressure after the vehicle has not been driven for at least
three hours, or driven less than 1 mile (1.6 km) after a
three-hour period. The tire pressure will also increase as
the vehicle is driven — this is normal and there should be
no adjustment for this increased pressure.
For information on how to properly inflate the vehicle’s
tires, see
Ú
page 341.
The TPMS will warn the driver of a low tire pressure if the
tire pressure falls below the low-pressure warning
threshold for any reason, including low temperature
effects, or natural pressure loss through the tire.
WARNING!
Pedestrian Emergency Braking (PEB) is not intended to
avoid a collision on its own, nor can PEB detect every
type of potential collision with a pedestrian. The driver
has the responsibility to avoid a collision by controlling
the vehicle via braking and steering. Failure to follow
this warning could lead to serious injury or death.
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