We think alike. Had mine blow about 70 miles from home last year on my 2017 volt premier with @ 55000 miles. Seldom drive more than 50 miles but when I do, I now use HOLD until I get closer to home or near chevy dealerships that are within the battery range. Other owners may not wish to drive a car under these circumstances but I am willing to use this strategy because I enthusiastically like this car and plan to hang on to it for a very long time.BTW, the EGR valve is the reason I keep my battery fully charged and use HOLD mode when I drive on the highway until I'm close enough to my final destination to make it on battery. When the EGR valve fails, it blows the F3 fuse. The electronic thermostat for the engine is also on the F3 fuse, so the engine will start overheating. When my EGR valve failed I was on the highway on the way to an important meeting and managed to make it on time by running the engine until the coolant temp got to about 210, then running on battery for a few minutes to allow the engine to cool, then switching back to hold mode until the temp got to 210 again. The alternative is to pull off the highway, stop the engine, disconnect the EGR valve, and replace the F3 fuse. The EGR valve is the reason I keep a bunch of spare fuses and a fuse puller in my glove box. BTW, this thread has good pictures that show how to remove the connector to the EGR. 2018 Unplug EGR connector on Gen 2 Volt?