One problem related to adaptive cruise control has been reported for the 2020 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Porsche Cayenne based on all problems reported for the 2020 Cayenne.
A coolant hose located on the top of the engine developed a leak that caused the engine to overheat. It was necessary to remove several components of the engine to reach and replace the leaking hose. This repair cost over 5000 dollars with the associated labor cost. Vehicle had less than 6000 miles on it at the time of the incident. It took several weeks to get the needed parts.