My 2011 Porsche Cayenne alarm horn did not work, and it prevented me from locking my doors! When you tried to lock the doors it would flash the parking lights constantly, like the alarm was going off.
I discovered that the alarm horn has a battery inside that will leak and destroy the circuit board inside. This failure causes all these problems. The part is around $130, but is hidden deep underneath the windshield wiper transmission.
Негізгі бет 2011 Porsche Cayenne 958 alarm horn repair. Its easy! (ish) I show you how.
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