I've finance on my current car. Not hugely expensive by any stretch of the imagination but the dealer didn't even ask me my salary when filling out the form lol.
Really, for all he knew I was working for min wage somewhere. Was far too easy really.
Why would he ask that? It's not his job to ask can you afford the car, pretty sure it's up to you to work out can you afford it. They inform you of your monthly payments and end payment?
Not having a go at you btw !!!