Mazda 3 Owner's Manual page 187

When Driving
Switches and Controls
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 fl ash
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 fl ash
after approximately 10 seconds.
Verify that the programming has been
erased when you resell the vehicle.
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