Release, Checking
WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
-- Press the seat belt latch with finger pressure to release the seat belt. With the seat belt webbing relaxed, the belt tongue must spring out of the seat belt latch without assistance.
- Perform the test at least five times. Replace the entire seat belt with the seat belt latch if the belt tongue fails to spring out even once.
WARNING:
Under no circumstances may lubricant be used to eliminate noise or stiffness at the seat belt latch buttons.