Audible Warning Level
WARNING: This page is about a different car, the 2002 Pontiac Grand Am and 2002 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
To adjust volume of audible warnings, turn ignition switch to RUN position. Turn radio off. Press and hold radio station preset button "6" until LOUD or NORMAL appears on radio display to toggle between volume settings. Audible warning will sound three times when audible warning level has been changed.