One problem related to horn assembly has been reported for the 2006 Porsche Cayenne. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Porsche Cayenne based on all problems reported for the 2006 Cayenne.
When the weather temperature goes 29 f or below, the air bag, anti- lock brake and horn stops working. When the weather goes back to normal, they all perform normal.
| Electrical System problems | |
| Ignition Switch problems | |
| Horn Assembly problems | |
| Battery problems |