Hi, Thank you for this informative review. However, I have one question. I have been using a Garmin 350 with MMI maps and totally love it. However, for a new car, I bought a MMI Road Pilot I as I needed only the GPS functions but I am not at all satisfied with it. I so dislike it that I wish to go back to Garmin as I am too used to it and its features. The MMI Road Pilot does not have a night mode and it does not switch on and off with the car automatically. My Garmin switched on automatically when external power (through 12v car connection) was active and it turned off automatically when external power was cut (after giving an option to continue on battery for 30 seconds) where as MMI Road Pilot just keeps running. All I need is a dedicated GPS device running in perfect harmony with the car, dont need any extra frills like reverse cam, multimedia etc. I have finalized Garmin 40LM and I believe it does have auto day/night more and what I wish to know if this also switches on and off automatically? Thanks for your help in advance.