Before You Begin Programming; Homelink; Erasing All The Home Link Channels; Identifying Whether You Have A Rolling - Jeep GRAND CHEROKEE L 2021 Owner's Manual

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HomeLink® replaces up to

three hand-held transmitters
that operate devices such as
garage door openers, motor-
ized gates, lighting or home
security systems. The HomeLink® unit is
powered by your vehicle's 12 Volt battery.
The HomeLink® buttons that are located in the

overhead console or sunvisor designate the
three different HomeLink® channels.
To operate HomeLink®, push and release any

of the programmed HomeLink® buttons. These
buttons will activate the devices they are
programmed to with each press of the corre-
sponding HomeLink® button.
The HomeLink® indicator light is located above

the center button page 372.
Ú
B Y B P
EFORE OU EGIN ROGRAMMING
H L ®
OME INK
For efficient programming and accurate
transmission of the Radio Frequency (RF) signal, it
is recommended that a new battery be placed in
the hand-held transmitter of the device that is
being programmed to the HomeLink® system.
Make sure your hand-held transmitter is
programmed to activate the device you are trying
to program your HomeLink® button to.
Ensure that your vehicle is parked outside of the
garage before you begin programming.
It is recommended that you erase all the channels
of your HomeLink® before you use it for the first
time.
E A T H L
RASING LL HE OME INK
C
HANNELS
To erase the channels, follow this procedure:
1. Place the ignition switch into the ON/RUN
position.
2. Push and hold the two outside HomeLink®
buttons (I and III) for up to 20 seconds, or until
the HomeLink® indicator light flashes.
NOTE:
Erasing all channels should only be performed
when programming HomeLink® for the first time.
Do not erase channels when programming addi-
tional buttons.
GETTING TO KNOW YOUR VEHICLE
I W
DENTIFYING
R C
OLLING ODE
D
EVICE
Before programming a device to one of your
HomeLink® buttons, you must determine whether
the device has a rolling code or non-rolling code.
Rolling Code Devices
To determine if your device has a rolling code, a
®
good indicator is its manufacturing date. Typically,
devices manufactured after 1995 have rolling
codes. A device with a rolling code will also have a
"LEARN" or "TRAIN" button located where the
antenna is attached to the device. The button may
not be immediately visible when looking at the
device. The name and color of the button may vary
slightly by manufacturer.
NOTE:
The "LEARN" or "TRAIN" button is not the button
you normally use to operate the device.
Non-rolling Code Devices
Most devices manufactured before 1995 will not
have a rolling code. These devices will also not
have a "LEARN" or "TRAIN" button.
51
Y H A
HETHER OU AVE
O N -R C
R ON OLLING ODE
2