Horn, Checking Function

WARNING: This page is about a different car, the 2024 Audi S7, 2024 Audi RS 7 Sportback, and 2024 Audi A7 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, refer to PROCEDURES THAT NEED IGNITION SWITCHED ON .

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.