Audi Q5   Controls   Lights and vision  Exterior lights
Dashboard: Switch for hazard warning lights
Fig. 1 Dashboard: Switch for hazard warning lights
The hazard warning lights are used to make other road users aware of your vehicle in hazardous situations.
Press the switch to switch the hazard lights on or off.
The hazard lights will be switched on automatically1) if you brake hard (emergency stop).
You can use the turn signals to indicate a change of direction (or lane) even when the hazard lights are on. The hazard lights will be interrupted temporarily.
The hazard warning lights also work when the ignition is switched off.
1) This function is not available on all export versions.