See also:

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. - Incoming calladjusting this setting allows you to hear a difference in volume. - ...

Using the panic alarm (if so equipped)
Using the panic alarm (if so equipped) If you are near your vehicle and feel threatened, you may activate the panic alarm to call attention by pressing and holding the button on the keyfob ...

Programming trouble-diagnosis
If the HomeLink does not quickly learn the handheld transmitter information: ● replace the hand-held transmitter batteries with new batteries. ● position the hand-held transmitter with ...