One problem related to steering column has been reported for the 2008 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Porsche Cayenne based on all problems reported for the 2008 Cayenne.
Parked vehicle and attempted to turn off got a red alert steering faulty,everything locked up including transmission and window switches. . Had to be flat bedded to a Porsche dealership took a week for them to figure out,had to replace steering column. Concern is what would have happened if driving at the time. . Got no answer.