Audi Q5   Controls   HomeLink  Universal transmitter
Applies to vehicles: with HomeLink
The programmed devices are activated by means of the HomeLink control buttons in the headliner.
Make sure that the ignition is on.
Press the programmed HomeLink button Fig. 1. The device assigned to that button (e.g. garage door) will be activated.
The HomeLink indicator diode Fig. 1 will light up when you press the button.