I think it's not a bad idea. Any Chevy you buy comes maintenance free for two years; any Cadillac comes with maintenance free for four. But it seems a big deal if you expressly include it. So no cost to you really but seems like it's a big deal to consumers.
They could do a deal with an insurance company and make a markup on that as well.
They could do a deal with an insurance company and make a markup on that as well.