One problem related to wiper has been reported for the 2018 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Porsche Cayenne based on all problems reported for the 2018 Cayenne.
Passenger windshield wiper came off suddenly in use while on highway speed. Car has never been in a car wash as dealer thinks and has only six months in service. The force bent slightly the arm itself as it ripped off.