I bought a roll of 3M VHB tape 3 years ago, and it has come in so handy for all sorts of things. I haven't even used half the roll yet. Keep it in an airtight container or zip lock bag. It's perfect for this case.
You’ll need to get a new one. I’ve done this before and you can buy 3M adhesive pads at places like Target in the US for around $8. If they’re too big, use scissors to cut them to size and they work just as well, if not better in some cases.
Also, isopropyl alcohol works very well at removing bits of the old adhesive that get left behind. I buy the 91% which works very well.
Good on ya. I've been wondering what I'd have to do when I need to remove the dashcam.
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