I discovered if you disconnect the vehicle power after use & then when needed start Garmin on it's internal battery by pressing the back power button & then connect vehicle power to the Garmin it works fine & does not continually reboot itself.

Overall the product is very good but I do have some issues or corrections (which I will also raise with Garmin), after a 3000km trip in country and outback areas.
*A caravan park I was looking for was not listed.
*Petrol pump icon is used for Truck Stops and Rest areas where there is NO petrol. If you search for the nearest petrol it will also list these places as the nearest location.
*Entrance to a caravan park 500m in the wrong place which you could miss subsequently forcing a u turn on a busy road.
*Plotted a 229km route in the outback when the shortest distance was 129km.
Otherwise it worked well everywhere on my trip.

Mapping has proven accurate thus far (albeit with limited use). We have both the 6" and 7" models as the windscreen is further away in one car and they replace a Navman S80 that is going to the 3rd vehicle and a Tom Tom GO 720 that got drowned.

The navigation menus are somewhat easier to use than either of those, the turn by turn function is handy and the large displays make reading at a glance easy.

The mounts look solid (especially compared to the Tom Tom) and seem to hold better even in hot weather.

Maps are fine, although they cannot be completely up to date every time there’s an update.
Easy to install, bought a reversing camera to go with it, which is pretty useful. However the warning message at the bottom of the screen obscures the view of my tow ball which is handy when connecting a trailer. The warning should be at the top of the screen out of the way.
Much of the POI data is wrong. Schools showing up that were closed down many years ago. Petrol stations listed at private home addresses, in newsagents, rest areas, and places where there are no petrol stations. Railroad crossings show up even though the railway was dismantled and no longer operational.
Quality of sound when using Bluetooth phone connection is mediocre.

Also fitted to Range Rover. Excellent for long trip planning due to large number of waypoints that can be stored. LR unit only stores 5 waypoints. Maps great but off road coverage is poor to hopeless.
Voice command is average. Overall though is great GPS and is my fourth Garmin unit. I think off-road maps can be purchased from Garmin.

Updated to the Garmin Drive smart 61 LMT-6 Got it at a competitive price from Harvey Normans. Good quick response when activated, nice large easily readable screen, clear voice command, easy to install very pleased with the devise. Following needs improvement, the supposed gas stations are invariably non existent, the speed zones are often incorrect. Apparently this is common in most name gps`s as they install the same map apps, despite these " issues " I am happy with the overall performance of the device. Word of warning device is NOT compatible with (hard wiring) direct to battery, causes malfunction !!!
Regards Wedge Tail