Hello, first time poster! Recently I have started to notice that if I hit a decent bump in the road a chime will sound, the interior lights will come one and a few seconds later the doors will re-lock. Nothing will appear on the dash to indicate that anything is wrong. I’ve looked around and...

I've read through so many posts on overheating issues and have no idea where to start looking for my solution. Here's what I have going- my 2007 4.7 begins to overheat ie. gives check gauges warning signal while driving on surface streets. If I dump heat by turning on heater, temp gauge drops...