See also:

Horn
To sound the horn, push near the horn icon of the steering wheel. WARNING Do not disassemble the horn. Doing so could affect proper operation of the supplemental front air bag system. Tampering ...

Digital Versatile Disc (DVD) Player Operation (models with Navigation System)
Precautions Start the engine when using the DVD entertainment system. Movies will not be shown on the front display while the vehicle is in any drive position to reduce driver distraction. Audi ...

Brake pad wear warning
The disc brake pads have audible wear warnings. When a brake pad requires replacement, it will make a high pitched scraping sound when the vehicle is in motion. This scraping sound will first oc ...