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Q: Dead Battery on 2007 Porsche Cayman S

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
Dead Battery - Front Hood will not open. Is there a manual release built into the car? I've tried the by pass via the fuse panel with no luck.

Any suggestions?
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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If the copper post locateed in the duse box will not open the hood with a doner battery, you have two choices:

a) take your car to a Porsche service center

b) there is a manual hood release that is under the drivers side plastic wheel well molding. Some have said they were able to locate it per the following:

* Put your hand behind the drivers side FRONT wheel and just on the right of the suspension spring, behind the plastic trim, you should be able to feel a cable. This is the mechanical cable link. Pull on it a little so that you can get a good grip on it, and then pull hard away from the front of the car. The hood should now pop open. Your alarm MAY go off if your battery has enough charge to power it. Just quickly disconnect the battery negative lead to silence it.

If you can't find the cable end (it wasn't accessible on my car) you will have to remove the wheel well plastic trim to reach it. The easiest thing to do in this case is to remove the drivers side front tire then start removing the torx head screws that hold the plastic wheel well trim in place. I can't remember how many there were total but if you remove all of the front screws and work your way towards the back you may be able to bend the plastic trim without damaging it or the metal fender in order to find the manual release. It sounds complicated but its not its just a PAIN! I was able to perform this task in about 45 minutes without removing the tire since my lug nut locking tool was still in the front trunk since I couldn't open the hood. My experience was a little different since I had already opened the hood and removed the battery, unfortunately some good samaritan saw my hood cracked open and before I could return with the new battery they shut the hood completely so I had no power at all to the release and the hood cannot be opened using the post method if there isn't a battery under the hood in the first place.

Good Luck!
I just went through the same problem with my 2007.The fuse box copper terminal solution does work,but you must assure that the alligator clamps,both at the Cayman's end anmd at the donor battery end are clean and TIGHT.I had to try 5 times before there was a good enough connection.My battery was completeley dead.E.
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Not sure about the Caymen but the Boxer had a stud/connection that pulled outward right in the middle of the fuse box at the left lower corner of the dash (driver's foot well area. Rang the local Porsche dealer they were very helpful in telling me exactly where the connector was.
Cayman is the same. Stud pulls out of fuse box, connect jumper cables there, gives power to open hood (not to jump start), then connect jumper cables to battery and jump start.
I'm not trying to be a smart ass, but if you own a 2007 Porsche Cayman S you need to find a very good auto tech. This is a very high maintenance car. it should still be under warranty.
I have a 1999 as well and could not find the msyterious 30 amp fuse to jump the car. I purchase a 4amp trickle charger that charges thru the lighter socket. It wasnt a boost but within 4 hours there was enough to start it
Do you have the owners manual? Keep looking under the dash by the drivers and passenger side for a lever, and look in the glove box too. I wish I had one parked outside to go check...
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