California law requires them to offer for free but they typically make it difficult by not making it obvious. If you ask right, they can not refuse you
See above answers...
Thanks everyone
Only if you buy gas first. Otherwise, it will be a few quarters to get air/water.
They do not. However i have asked before when indidnt have change and they let me use it for free. Maybe you can do the same :-)
Yes, they do. The cashier will turn it on if you ask them to.
Thanks! Your answer is awaiting moderation.