2008 A8 Trunk lock out
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The "master" cut has an extra groove on the edge the length of the key, and a slightly wider opening at the front.
Apart from those changes, the "valet" cut is the same. Normally the "valet" cut is on a plastic, wallet key, but Audi AG screwed up mine when replacing lost keys (not supplied when car was bought used), so I own a "master" cut plastic key and a "valet" cut metal key...
Bottom line: "Valet" cut cannot open the glove compartment or trunk (even if NOT rotated to the disabled position), so if you only have a "valet" cut and your battery dies, you are not getting in the trunk...
You can rotate the lock in the trunk with the master key to disable the soft switch under the license plate and the interior switch.
Note that this is not foolproof - with the above knowledge it is reasonably simple (for a locksmith or someone handy with power tools) to convert a valet key to a master.
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Mine will start the car and that's all. It is a "standard" metal key that doesn't flip out.
It won't unlock the trunk, and you can't unlock the doors with it.
Without being able to work the door locks, it doesn't give me a warm fuzzy to let a valet have it - not that anyone else ever drives my Audi

Seems not terribly useful so it sits in the safe with the spare master key.
Mine will start the car and that's all. It is a "standard" metal key that doesn't flip out.
It won't unlock the trunk, and you can't unlock the doors with it.
Without being able to work the door locks, it doesn't give me a warm fuzzy to let a valet have it - not that anyone else ever drives my Audi

Seems not terribly useful so it sits in the safe with the spare master key.
1) Starts Engine
2) Locks Doors
Note: Lift door handle and open the door. Hold Handle Up, then Stick Key in Lock Cylinder and turn to the Right to engage Lock. Close door Door and Security is Active. You may end having to show Attendant how to do this, but if you have valuables in the Glove and Trunk then it could be well worth the time spent. Laters,
P.S. It's in the Owner's Manual, but none of this matters unless you set the Trunk Lock to eliminate all Keys, which Cancels Trunk Buttons both inside and out. The key Fob will then be the only way to access the Trunk. I suppose even protecting your Registration and Insurance Info is worth the efforts. Techs and Repair Shops hate it when I make them work to Lock my car, unless they have to access the Glove or Trunk then why should I hand over the Remote?
Last edited by williebone; Jul 25, 2011 at 04:35 AM.




