Question about 2009 Porsche Cayenne
Is the ignition live wire connected to the tv tuner?
If the tv tuner is hooked up to the ignition to only work when the car is running then once you turn it off it will lose power and forget anything, like presets. Most likely you will need to run a wire to the tv tuner from the stereo, they are normally a yellow wire with an inline fuse from the back of the car stereo this gives a constant feed for power and thus ensures you tv tuner will remember you presets the next time you get in the car. It works in the same way as your car radio remembers your favorite radio channels, without this you will get the fault your having. Especially if the TV tuner was fitted after market.
Also if it is a factory set up then check the in line fuse, and or fuse box for any blown fuse's the TV tuner could still work if it has 2 power feeds, but without the constant live will not store anything to memory.
This is very common people just wire them to work and often forget the live feed. If you need more info please let me know.
Hope this helps
Posted on Feb 13, 2010
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Posted on Jan 02, 2017
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