Operating HomeLinkOperating HomeLink  - Universal transmitter - HomeLink - Controls - Audi A4 Owner's Manual - Audi A4

The programmed devices are activated by means of the HomeLink control buttons in the headliner.

Ц Make sure that the ignition is on.
Ц Press the programmed HomeLink button, fig. 197. The device assigned to that button (e.g. garage door) will be activated.

The HomeLink indicator diode, fig. 197 will light up when you press the button.