Don't pay to find out how to do it.Just engage and dis-engage seat belt buckle 9 times in under 1 minute and the chimes for non-use will stop. Repeat to re-enable.Top tips like this can be found by Googling...
For some people, time is money, knowledge is power and all those trite aphorisms. They're the type of people to pay money for [b]information[/b] on resetting the service indicators on the lovely Discovery 3...
If you can use a computer (and you're reading this, so that's a start), you can unlock your iPhone for free. Since ebay don't like web links, you'll have to use Google, but "ZiPhone" or "iLiberty" or "Pwnage"...