OVM, yeah, most GPS units will tell you to exit right or left. They'll also tell you to "Keep Right" or "Keep Left", when all that really means is "stay on the road you are on and don't take the next exit". Usually does that when major roads or Interstates split off of the road you're on.
The middle lane is particularly problematic, especially where the far left lane is truck-restricted. Many 4 wheelers (and big trucks who should know better) park their butt in that middle lane because they don't want to be bothered with the merging traffic from the right, nor the traffic that is slowing down to make an exit. They sit there in the middle lane, 4-wheelers, especially, and think, "I'll go just as fast or slow as I want. There are two lanes to go around me." Not realizing that, no, there aren't two lanes for people to go around you, because (a) it's illegal to pass on the right and (b) trucks can't run in the left lane in the first place. The result is a clumping up of the middle lane that affects the right lane, too. Then you have people passing on the right, anyway, just to get around, and now there's all kinds of opportunities for a "preventable".
Then there are the Bozo's who will come up behind you when you're in the middle lane, going 15 or 20 MPH faster than you, and even if the left lane is wide open and clear, they will not pass you on the left, because, in their minds, they can speed as fast as they like without getting a ticket, so long as they stay out of that left lane. These are also the people who rarely use a turn signal when changing lanes.
Did you know that passing on the right, as well as changing lanes without signaling, both fall under the category of reckless driving?
Another one is, mostly women who do it, they will use their turn signal when changing lanes, or exiting or entering the Interstate, but, but, but, if they are on a hand-held cell phone, turn signals instantly become optional.