Instead, you need to ask your customer about what they are doing in areas around your software. Not "What would you like in a new car?" but "What have you been doing in your car?" and "How much maintenance do you have to do?" and "What's the worst thing about the stuff you do in the car?"

Then maybe you can find out that the brakes make a squealing sound because they are mis-adjusted and are wearing out the pads too early.