Garmin Drivesmart 66: Pure Crap

Published at 17:25 on 24 June 2023

Last year, I decided to treat myself to a new automotive GPS system for my truck. You see, I sometimes like to explore forest service roads in backcountry areas that lack cell coverage, making smartphone maps mostly useless. I decided to buy a Garmin unit, since that is a name brand, and I have one of their hiking GPS units and it works just fine. So I assumed that Garmin’s automotive GPS units would also be well-designed. Boy, was I wrong! To reiterate the subject of this post: the thing is pure crap. It cannot honestly be described any other way.

Let me enumerate the ways in which it is crap:

  1. Crap software design. If you pair the GPS with your smartphone (which you must, if you want to receive real-time traffic updates for driving in the city), it turns on this cheesy key-click feature, in which the GPS speaker will make a loud click for each keystroke you enter on the smart phone. The rub is, the click will be randomly delayed due to the use of Bluetooth pairing by anywhere from 100 ms to a full second. Just try typing with such a misfeature, I dare you. It is extremely disorienting, and makes accurate typing virtually impossible. And there is no way to disable this crap misfeature. I spent several hours trying to, reading the manual, exploring all the settings, doing web searches. There is no escape. The only way to turn it off seems to be to unpair your phone.
  2. Crap real-time traffic information. Speaking of the real-time traffic updates, they are crap. In my experience they report less than half of significant delays. Because the device is unaware of so many instances of traffic congestion, its navigation advice in the city is also crap. Plus the chosen way Garmin indicates traffic congestion on its map is subtle and easy to miss.
  3. Crap software quality. The GPS often hangs or crashes at random times. When this happens, it takes about five minutes to recover. Typically this happens when I am running late and most need everything to work properly.
  4. Crap backup camera. I decided to spring for the optional backup camera, because my truck is old enough not to have one from the factory. About as much of a mistake as buying the GPS itself. It’s crap, too. The camera takes up to a full minute to turn on when requested. Video is frequently laggy and erratic. My old cheapo analog wired backup camera was vastly better.
  5. Crap maps. First, the maps are a good two years or more out of date from the moment you download them. A new road opened two years ago near my property in Bellingham. Its presence changed the optimal way to get there from I-5. Two years on, and the new stretch of road is still not in the latest update from Garmin. Second, the maps are woefully incomplete. The device is essentially useless for its intended purpose of navigating on remote forest service roads; most of them are not in its database.
  6. Crap hardware design. The Drivesmart 66 spews radio noise like mad on the lower radio frequencies. Use it while listening to an AM radio station? Forget it! This is extremely annoying, as the same remote areas without cell coverage (i.e. the areas that prompted me to get this unit) also tend to lack FM radio coverage, while stronger AM stations still manage to cover such areas, due to how the longer radio waves used in the AM broadcast band propagate. So even if it was useful in the backwoods (and it is not) I would still have to choose between being able to listen to the radio and having GPS guidance.

My assumption is that these misfeatures are also present in most or all newer Garmin automotive models. Because why wouldn’t they be? It’s only logical to use a common software base in all products, and a manufacturer inclined to cut corners when it comes to RF noise shielding in one device is probably going to cut them in all their devices.

Bottom line is that I cannot recommend any currently-manufactured Garmin automotive GPS units. Avoid them all.