Horn: Check Function
WARNING: This page is about a different car, the 2021 Audi e-tron Quattro and 2019 Audi e-tron Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Procedure:
-- Switch the ignition on.
-- Operate the horn and check the function of the high and low tone horn.
NOTE:
Perform the function test outside, for example at the workshop entrance or during a road test.