Taken from the Cayman Club FAQ:
Remote Key -
The remote-control standby function switches off after 7 days
If the vehicle is not started or unlocked with the remote control within five days, the remote control standby function is switched off (to prevent discharging of the car battery).
In this case, unlock the driver’s door with the key at the door lock.
Leave the door closed in order to prevent the alarm system from being triggered.
Press button 1 on the remote control. The remote control is now activated again.
Read the FAQ! It is full of FAQs
Not true...I had my car parked in my garage for 13 days and my remote key still worked...
Phaheem, Was your car locked?
I believe I've had it happen to me in both cases (locked & unlocked). I could be wrong....
-Moto
This has happened to me both times I've been away on vacation for more than a week. My car was left locked each time.
Yes, there is a lot of good info in the FAQs. Those that are familiar with them may want to take another look. We have recently reformatted the index to make the info easier to find. We've also been adding to the content.
Have a look:
The Cayman Club - FAQ
Another one on record claiming it does happen ; so know what to do.
It does happen. I left my car locked for weeks at a time this winter and the remote key stopped working. I had to use the key in the door method to unlock the car.
However, I do want to bring something else in the mix. The FAQ says that you should not open the door to prevent the alarm from triggering. I did not find that to be the case each time. Mainly because I remember the 7 day rule for remote key, but forgot the "leave door closed" rule. So each time, I inserted key into door, then opened the door with no alarm.
Am I reading the FAQ correctly?
The FAQ is basically a direct quote from the owner's manual - so I'm not sure why some cars are acting differently - but all of the instances I've heard of personally have the alarm going off if the door is opened... and this shutoff of the remote system definitely only happens when the car is left in a locked state.
bad
The longest I had my car on stand-by and did not have the described effect was I think 17 days.
well the car had once been parked for like two weeks and that never happened. However, it did happen once after being parked for like 3 hours
gladly I remembered that procedure and all was good.
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