Well you made a great decision in getting a honda . As far as the timing belt, the only sure fire way I know of, is if the dealership had a record of it being changed. Normally you should get the belt and everything else taken car of at around 100k, there's really not an exact time though. It depends how the car has been treated, I've seen accords with 150k on the origional toming belt before being changed. Its rather risky to wait that long though, if your belt breaks it can cause very serious damage to the engine. You're fine for now though.

The yellow light you refer to, is it "Check Engine" or "Maintanance soon" if its the second one, it comes on every few thousands miles to remind you to get an oil change, and you can reset that yourself.

Being as you have a V-6 Auto, I would recommend you get the tranny fluid changed by the Honda dealership when they do your timing belt.

BTW: Welcome to HAN