Table 1 shows two common visibility related problems of the 2004 Audi S4.
| Problem Category | Number of Problems |
|---|---|
| Visibility problems | |
| Wiper problems |
While in rain all windows fogging up from inside, unable to defog, the a/c will not turn on, checked for leaks - no leaks observed, sporadically the a/c turns on and off, very common problem in cars from this year, may cause damage and injury.
2004 S4 wipers stop working (stop in the middle of windshield) in rain, motor works seems as something sized, in some situations may cause big damage and injury.