I also find panic button too sensitive. But I wanted to keep it for use in finding car in the parking garage or maybe for an actual panic event.
So just shortened the plastic nub so that it still would work but now you not have to push it very hard to make the contact.
Now it works great as you have to push pretty hard but it's still reliable for on and off. Volla! the button now works like it should have originally.
The way I did it was with a metal file. I Took apart the remote it's pretty self-explanatory and then peeled the rubber diaphragm back so I could get at it easily and tried to keep any hard rubber filings from getting into the mechanism. But DON'T pull it all the way back off all the 5 buttons as it's VERY hard to get the nubs to go back into the buttons afterwards. Just pull back the one off the panic button. I then filed it back to the exact size shown in the photo. I had to do it a couple times but this size seems to be the perfect size.
NOTE: as you can see from the photo I did pull all 5 nubs it out of the rubber diaphragm. For each knob that you pull out you have to file around the edges of those knobs making each of them a smaller diameter because they will not go back in the holes unless you make them a slightly smaller diameter. I tried pushing on them hard, getting them wet everything possible but in unless you file them down to be a smaller diameter they will not snap back in to the hole. That is why I suggest you only pull back the one off the panic button and use a small file. And you also have to make that nub a smaller diameter too. If you do end up taking off the whole diaphragm off all 5 buttons you can get good access to the knobs really easy and just file all five of them down if you want as I did but it's a lot more work and more risky. Just get a narrow file maybe even a fingernail file would work it is quite hard plastic and easy to file.
My photo does not show The nub down to a smaller diameter it because I only figured out you have to make it a smaller diameter later. You don't have to take a lot off the diameter but enough to make it snap into place. You can test it easily every time you file it down.
When taking some of the height off of the panic button just remember if you file too much off it won't work at all or worse it could work intermittently which means it might turn it on but you might not be able to turn it off!!!!
Again go for the height size in my photo and it will work perfectly. The photo with the two nubs shows the original size and the single nub is the correct shortened size. And of course you only grind down the one for the panic button. But you could do the same thing for the remote start button.
And to take the mechanism apart you should use a small flat blade screwdriver. The way I did it was to very carefully first pry off the big black cover, then very carefully wedge the screwdriver blade in at the top of the 2 prongs on the silver U shaped piece. It's kind of sketchy but you'll figure it out. Then once you have that U-shaped part removed you can easily just pull back the rubber diaphragm all the way but do not try and remove it completely.
This is not an easy mod and unless you have good light, good eyesight and are comfortable prying around with small things. Although I was ultimately successful putting it back together it was quite hard getting all the parts to line up perfectly. I was worried that I might be breaking some of them. I did slightly tear the diaphragm when I was trying to push those nubs hard back into the holes before I discovered the only way is to file them down to a smaller diameter.
The silver U-shaped clip is a bit tricky you hook it at the bottom first and then line it up at the top and then you just squeeze it straight together. It's not simple to figure out and it doesn't go easy and you have to work at it and I felt like I could break something at any time. But eventually I just squeezed together hard and it snapped back into place. So for me it all went back together and looks just fine. But I think I'll wait and get my courage up to do my second one I'll just do the one I use most of the time for now. Actually the second one will be very easy as the hard part is just figuring out how the clips work and what not to do.
But I will say it's night and day difference testing the two remotes, the original unmodded one and my new modded one. I sure like how my modded one works a lot better, it's perfect.