Cold Temps = No Turn Ignition Key

So when it gets cold out, my ignition key is VERY difficult to turn inside the ignition tumbler. Typically, once the key is in, I can pull it out, warm up with my hands, and reinsert the key.... repeat process. Theoretically warming the key tumblers.... Or at least that's what I think is happening. Eventually, I can get the key to turn and varoom - starts right up. Thoughts on how to get the key to turn easier in the cold weather? Pic for attention: (Yes I know this is the 996 thread, but Boxster key is the same... and more eyeballs here)

I have just had the same problem. At first, I guessed it was the well-known ignition switch failure where you just replace the module that attaches to the back of the whole ignition switch assembly (Amazon has the best price on a Uro replacement). In the end, after crawling up under the dash to replace it, that didn't solve the problem. I read elsewhere that the ignition switch's lubrication can go bad over time and this can be exacerbated by cold temperatures. I also read you should be very careful using lubricants to free things up because the wrong viscosity lubricant can gum up the lock. In the end, I used a "dry lubricant" with PTFE that initially squirts as a liquid and then evaporates to leave the dry lubricant. So, I squirted a big squirt into key port in the ignition and then inserted the key in and out a few times. Then I tried to turn the key back and forth. After a short time, things loosened up and I was able to turn the key to start the car. It took a number of turns of the key before things loosened up to the point I could hear the steering lock engaging and disengaging (that somewhat loud metallic popping sound you normally hear when pulling out the key). Time will tell if this is a long-term fix. So, I would try the lubricant to see if that works before buying the part and wedging yourself up under the dash to do a replacement.

Thank you @yvvvz

Is this what you used? CRC Power Lube Ind High Performance Lubricant with PTFE | 11 oz I've got the same issue. I thought the tumbler had to be removed to get to where the problem is, but I'm willing to try anything.

Yup, that's what I ordered @996-CAB . Ditto on the "I'll try anything".

CRC is good stuff. I was able to pick up something similar locally at Home Depot made by the people who make WD40. FWIW, some references I found online said to not be tempted to use actual WD40 lubricant though. https://www.homedepot.com/p/WD-40-SP...0059/204960991 I also was worried that it would not get everywhere it was needed, especially since it seemed to involve the mechanics for the steering lock. I gave it a good shot but didn't flood the ignition column. Knock on wood, at least in the short term, it has worked. TIP: Remember that you may need to turn your steering wheel ever so slightly to take pressure off the steering interlock and hold it in that position while you are working the key gently back and forth to break things free. If it turns out you have to buy the ignition switch, I believe the updated part is 4A0905849B but confirm this is correct for your year. The equivalent part was used on VW's and Audi's during the same period. Amazon has lots of these parts at some of the best prices and made by Uro and other OEM.