Welcome to the world of automotive sales.
Dealerships typically look at their basic sales people much like Civil War generals looked at their infantry soldiers - expendable cannon fodder.
Seriously, most sales managers are looking for a person who is self-motivated, able to follow directions, and most of all, has good communication skills. That's the type of salesman who will tell the customer what the SM wants him to, and will follow the "road to the sale" as set out by the dealership.
This is not necessarily the guy who is going to succeed in this business, though. As some of the responses before indicate, these jobs are long on hours, heavy on internal competition, and mostly short on training. I've found, over the years, that the long-term, successful salesman is an independent, self-reliant businessman who can readily evaluate his customer, succinctly communicate the terms of a transaction, and who will motivate that customer to make a purchase decision in his favor. This person looks at his sales job somewhat as a separate "dealership" unto himself, and takes that responsibility seriously.
These folks don't require a lot of supervison, and normally will either train themselves, or let you know exactly what training they need. Unfortunately, a lot of sales managers (and often, dealers) don't really like to deal with these types - mainly because this salesman is so independent in his sales approach, and doesn't fit into the "company" profile for their sales staff. There aren't a lot of them around, either - sometimes one or two per dealership.
It usually takes a while to get to this point in a sales career. Talk to these guys, and you will find they almost all earned their stripes on the asphalt, and spent years building their own book of business. They usually find one dealership and stay there, and seldom will you find them walking the lot or standing guard over the main entrance to the store. They'll be in their offices prospecting their own customers and delivering vehicles. They almost always will be earning six-figure incomes.
Automobile sales is not for everybody. You won't get much training, support, or patience, much less sympathy from your managers, and very little comradeship from your colleagues. In most stores this is a "dog eat dog" proposition, and commissions are usually hard to come by.
Good luck on trying this business out. I was in your shoes fifteen years ago asking the same questions. If you really have it in you, you will be hard pressed to find a more rewarding career.