Horn, Checking Function

WARNING: This page is about a different car, the 2025 Audi S3, 2025 Audi RS 3, and 2025 Audi A3 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Risk of injury due to unintended engine start on high-voltage vehicles!

Pay attention to the high-voltage system warning messages:
For procedures where the ignition must be switched off.

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.