Porsche Engine Sticker For Porsche Cayenne (2003-2006) (2008-2010) Models.

Engine Octane Knock Control Warning Sticker for Porsche Cayenne (2003-2010)

OEM Replacement: This sticker is a direct replacement for the original “ENGINE IS FITTED WITH ELECTRONIC OCTANE KNOCK CONTROL” warning sticker found in Porsche Cayenne models from 2003 to 2010.

Function: This sticker indicates that the vehicle’s engine is equipped with an electronic octane knock control system, which helps to optimize engine performance and protect it from damage caused by pre-ignition or “knocking.”