FAQ: Can I use the unlock code of someone else?

No. First of all, you can only unlock two GPS receivers with one coupon code. Both units have to be owned by the same owner and the serial numbers are registered by Garmin. If you share your code with someone else, Garmin will notice real quick that one coupon was used by two owners. And using an unlock code not meant for your specific Quest will not work, since all unlock codes are linked to the Quests internal serial number. So, just buy your own...