alternator
What is your question?
If the dash gauge is showing 8 to 10 volts instead of the 14 it used to show, is the alternator bad? Battery is a little of a year old.
What are the best Audi repair shops?
RepairPal Certified shops can diagnose and repair your 2000 Audi S4. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.