2015 JEEP GRAND CHEROKEE tire jack mode

•Tire Jack Mode
When this feature is selected the air suspension system is
disabled to prevent auto leveling of the suspension, while
the vehicle is on a jack changing a tire. To make your
selection, press the “Tire Jack Mode” button on the
touchscreen, select “On” or “Off” followed by pressing
the back arrow button on the touchscreen.
•Transport Mode
When this feature is selected the air suspension system is
disabled to assist with flat bed towing. To make your
selection, press the “Transport Mode” button on the
touchscreen, select “On” or “Off” followed by pressing
the back arrow button on the touchscreen.
•Wheel Alignment Mode
This feature prevents auto leveling of the air suspension
while performing a wheel alignment service. Before
performing a wheel alignment this mode must be en-
abled. Refer to your authorized dealer for further infor-
mation.
Compass Settings — If Equipped
After pressing the “Compass Settings” button on the
touchscreen the following settings will be available:
•Variance
Compass Variance is the difference between Magnetic
North and Geographic North. To compensate for the
differences the variance should be set for the zone where
the vehicle is driven, per the zone map. Once properly
set, the compass will automatically compensate for the
differences, and provide the most accurate compass
heading.
334 UNDERSTANDING YOUR INSTRUMENT PANEL

the touchscreen until a check-mark appears next to
setting, showing that setting has been selected. Press the
back arrow button on the touchscreen to return to the
previous menu.
Suspension — If Equipped
After pressing the Suspension button on the touchscreen
the following settings will be available.
•Auto Entry/Exit Suspension
When this feature is selected, the vehicle lowers the
suspension for easy entry/exit. Press the “Auto Entry/
Exit Suspension” button until a check-mark appears next
to the feature showing the system has been activated or
the check-mark is removed showing the system has been
deactivated. Press the back arrow button on the touch-
screen to return to the previous menu.
•Suspension Display Messages
When “All” is selected, all the Air Suspension Alerts will
be displayed. When “Warnings Only” is selected only the
Air Suspension Warnings will be displayed.
•Tire Jack Mode
When this feature is selected the air suspension system is
disabled to assist with changing a spare tire. Press the
“Tire Jack Mode” button until a check-mark appears next
to the feature showing the system has been activated or
the check-mark is removed showing the system has been
deactivated. Press the back arrow button on the touch-
screen to return to the previous menu.
•Transport Mode
When this feature is selected the air suspension system is
disabled to assist with flat bed towing. Press the “Trans-
port Mode” button until a check-mark appears next to
the feature showing the system has been activated or the
4
UNDERSTANDING YOUR INSTRUMENT PANEL 355

Air Suspension Modes
The Air Suspension system has multiple modes to protect
the system in unique situations:
Tire/Jack Mode
To assist with changing a spare tire, the air suspension
system has a feature which allows the automatic leveling
to be disabled. Refer to “Uconnect® Settings” in “Under-
standing Your Instrument Panel” for further information.
NOTE:This mode is intended to be enabled with engine
running.
Transport Mode
To assist with flat bed towing, the air suspension system
has a feature which will put the vehicle into Entry/Exit
height and disable the automatic load leveling system.
Refer to “Uconnect® Settings” in “Understanding Your
Instrument Panel” for further information.
NOTE:This mode is intended to be enabled with engine
running.
Wheel Alignment Mode
Before performing a wheel alignment this mode must be
enabled. Refer to “Uconnect® Settings” in “Understand-
ing Your Instrument Panel” for further information.
NOTE:This mode is intended to be enabled with engine
running.
If equipped with a touch screen radio all enabling/
disabling of air suspension features must be done
through the radio. Refer to “Uconnect® Settings” in
“Understanding Your Instrument Panel” for further in-
formation.
454 STARTING AND OPERATING

•Off-Road 2 (OR2) – Indicator lamps 4, 5, and 6 will be
illuminated when the vehicle is in OR2.
•Off-Road 1 (OR1) – Indicator lamps 4 and 5 will be
illuminated when the vehicle is in OR1.
•Normal Ride Height (NRH) – Indicator lamp 4 will be
illuminated when the vehicle is in this position.
•Entry/Exit Mode – Indicator lamp 3 will be illumi-
nated when the vehicle is in Entry/Exit Mode. If
Entry/Exit Mode is requested while vehicle speed is
between 15 mph (24 km/h) and 25 mph (40 km/h),
indicator lamp 4 will remain on solid and indicator
lamp 3 will flash as the system waits for the vehicle to
reduce speed. If vehicle speed is reduced to, and kept
below, 15 mph (24 km/h) indicator lamp 4 will turn off
and indicator lamp 3 will flash until Entry/Exit Mode
is achieved at which point indicator lamp 3 will go
solid. If during the height change to Entry/Exit Mode,
the vehicle speed exceeds 15 mph (24 km/h), the
height change will be paused until the vehicle speed
either goes below 15 mph (24 km/h) and the height
change continues to Entry/Exit Mode, or exceeds
25 mph (40 km/h) and the vehicle height will return to
NRH. Entry/Exit Mode may be selected while the
vehicle is not moving provided that the engine is still
running and all doors remain closed.
•Transport Mode - No indicator lamps will be illumi-
nated. Customer driving will disable Transport Mode.
•Tire/Jack Mode - indicator lamps 3 and 6 will be
illuminated. Customer driving will disable Tire/Jack
Mode.
•Wheel Alignment Mode - indicator lamps 3 and 4 will
be illuminated. Customer driving will disable Wheel
Alignment Mode.
456 STARTING AND OPERATING

WHAT TO DO IN EMERGENCIES
CONTENTS
!HAZARD WARNING FLASHERS...........568
!IF YOUR ENGINE OVERHEATS............568
!WHEEL AND TIRE TORQUE
SPECIFICATIONS......................569
▫Torque Specifications...................570
!JACKING AND TIRE CHANGING..........571
▫Jack Location........................572
▫Spare Tire Stowage....................573
▫Preparations For Jacking................573
▫Jacking Instructions...................575
▫Road Tire Installation...................581
!JUMP-STARTING......................582
▫Preparations For Jump-Start..............583
▫Jump-Starting Procedure................585
!FREEING A STUCK VEHICLE.............587
!EMERGENCY TOW HOOKS — IF EQUIPPED . .588
!MANUAL PARK RELEASE................589
!TOWING A DISABLED VEHICLE...........593
▫Two-Wheel Drive Models................595
▫Four-Wheel Drive Models................596
6