Mazda CX-9 2021 Manual page 253

"Programming HomeLink" step 3 with
the following:
NOTE
If programming a garage door opener or
gate operator, it is advised to unplug the
device during the "cycling" process to
prevent possible overheating.
Continue to press and hold the HomeLink
button while you press and release ―
every two seconds ("cycle") your
hand-held transmitter until the frequency
signal has successfully been accepted by
HomeLink. (The indicator light will flash
slowly and then rapidly.)
Proceed with "Programming" step 4 to
complete.
▼ Operating the HomeLink System
Press the programmed HomeLink button
to operate a programmed device. The code
will continue being transmitted for a
maximum of 20 seconds.
▼ Reprogramming the HomeLink
system
To program a device to HomeLink using a
HomeLink button previously trained,
follow these steps:
1. Press and hold the desired HomeLink
button. DO NOT release the button.
2. The indicator light will begin to flash
after 20 seconds. Without releasing the
HomeLink button, proceed with
"Programming" - step 1.
▼ Erasing Programmed HomeLink
Buttons
To erase the existing programming from
all three operating channels, press and
hold the two outside buttons (
the auto-dimming mirror until the
HomeLink indicator light begins to flash
after approximately 10 seconds.
Verify that the programming has been
erased when you resell the vehicle.
, ) on
Switches and Controls
When Driving
4-87