The official notice
Defect
Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2013-2014 Cayenne and Cayenne GTS, model year 2013 Cayenne Diesel and model year 2014 Cayenne S, S Hybrid, Turbo, and Turbo S vehicles manufactured May 27, 2013, through July 10, 2013. In the affected vehicles, the calculated range of the remaining fuel displayed on the instrument cluster may be higher than the actual range. Additionally, the fuel level indicated by the fuel gauge may also be higher than actual amount in the tank.
Safety Risk
The fuel display inaccuracies may result in the vehicle unexpectedly running out of fuel and stalling, increasing the risk of a crash.
Remedy
Porsche will notify owners, and dealers will update the instrument cluster software free of charge. The recall began on December 5, 2013. Owners may contact Porsche at 1-800-767-7243. Porsche's recall number is AD03.