Question for those that have the GPS designed for RVers. I have no idea how this works, so my question may seem weird. I assume that the GPS can, or automatically does, chose routes that are RV friendly. If so, is it possible to switch it to non-RV mode for use in a car?. My thinking is that when I use it in the car I don't want it to give me routes that are longer or less scenic in order to avoid winding roads or tunnels that aren't a problem in a car.
I wouldn't normally consider the RV GPS, since my MH is only 27 ft, but then I was on Long Island (in car) and was on HIGHWAYS that I noticed had very low underpasses and I started to get worried.
They have a 'setting' in setup that allows you to enter in the vital stats: width, height, etc. So you could go in and 'fudge' the settings when using a car, then reset the trailer or MH settings.
This is not necessary in a Garmin, just switch from truck to car, even changes the icon on the screen. Would be a pain to input all the height, weight data all the time if worked as described above
I have a Garmin Nuvi (forget the model) that I purchased several years ago for my car. When I use my 5er, the bus setting will not due, but as you mentioned the truck setting might work in most cases. The only problem is it will bring you round-about ways. You have to use common sense no matter what you use. Measure your RV height and watch the over pass signs. Sometimes I switch between car and truck to get the best route in area I know. As an example. To get me home it would take me about 25 miles out of my way when I know the streets going to my home off the interstate are safe.
The kids recently got me a Garmin Nuvi 465t for my birthday. As rr2254545 noted above, it can be switched between auto and truck mode, so no need to input your rig's length/height/width/weight every time you switch. Here's a cut/paste from their product description...
"When navigating, the 465T can display upcoming road conditions and warnings to make drivers aware of possible hazards along the route, such as sharp curves, steep grades and road narrows. The Garmin nuvi 465T 4.3" GPS Truck Navigator is also the first GPS unit to link locations in the National Truck and Trailers Services/NTTS directory to truck relevant points of interest"
With an overall length of 50 feet and height of 13'6", I'll feel a whole lot more comfortable with a GPS that steers me away from low underpasses and steep grades. One possible negative that I'm seeing is what joelc noted above. In truck mode, it does send you on some roundabout paths when navigating locally. I suspect that this is because it is using truck routes, which makes sense as the unit is designed to be used by commercial truck drivers.
2008 Jayco Designer 35RLSA pulled by a 2007 Chevy 3500 D/A SRW
I bought a Garmin Nuvi with lifetime maps on sale for $99, plus I had a $10 off coupon. Then I downloaded the low clearance POI's for $14.95. Seems to work fine for what I wanted, just a really cheap GPS with low clearance alerts. I set the alerts to ring 2 miles from the potential problem.
It doesn't route me around them, just notifies me. So I scroll through the directions before we leave. I didn't want something that made longer routes, just the notification part. I also downloaded the free truck stop POI's.
We have the RVND Rand McNally 5510 (the smaller one) and it also switches from car to RV. A word of warning though. Make sure you don't use the shortest route setting. Use the fastest. I also quickly double check the route in my Atlas to make sure I like the options the GPS gave us. It did route us over a 2 lane mountain road before I checked the settings and checked the Atlas. No GPS is perfect. They are only as good as the programming, the maps and the User. Usually it's me that's the problem!
Lonny & Diane
2004 Country Coach Allure 33' "Big Blue"
Towing 2008 Chev Colorado 4x4