Table 1 shows one common visibility related problems of the 2017 Porsche 911.
| Problem Category | Number of Problems |
|---|---|
| Wiper problems |
The rear window seal is severely breaking apart, severely cracked and others are melting. This may affect condensation inside the vehicle and potentially be a safety hazard. Several reports on this problem can be seen at Porsche forums. I believe this is a manufacturing defect and is a potential safety hazard on many Porsche vehicles.