Forward Collision Avoidance Related Problems of the 2026 Porsche Cayenne

Table 1 shows two common forward collision avoidance related problems of the 2026 Porsche Cayenne. The number one most common problem is related to the adaptive cruise control (two problems). The second most common problem is related to the automatic emergency braking (one problem).

Table 1. Forward Collision Avoidance related problems of Porsche Cayenne


Recently reported Forward Collision Avoidance problems of the 2026 Porsche Cayenne

The Adaptive Cruise Control problem

1. Driving conditions & baseline state I was operating my new 2026 Porsche Cayenne (current mileage approx. 717 miles) at highway speeds inside a tunnel near lax. The vehicle was functioning normally under normal driving conditions until the incident occurred suddenly and without any prior   Read details...

The Automatic Emergency Braking problem

On 3 separate occasions while making a left hand turn against traffic, the car has initiated emergency braking and shown the ‘collision warning’ alert on the dashboard. Each time there were no cars approaching and the car halted to a complete stop.   Read details...


Forward Collision Avoidance related problems in other Porsche Cayenne model year vehicles:



Cayenne Service Bulletins
Cayenne Safety Recalls
Cayenne Defect Investigations