When I use L I will get usually up to 3 miles but sometimes less before ice is running most of time and engine braking is occuring. Do not have scan gage but may soon. With brake hold active and ACC on and a little suspenseful trust one pedal appears to be possible but I cannot bring myself to trust ACC to stop me as close as it wants behind another vehicle. Maybe if I set ACC to follow further back???Max regen strength does not equal maximum MPG. You are generating tremendous heat in the battery pack that then needs to be cooled. At some point, vis air conditioning compressor running. So this is a vicious cycle, like running the kitchen refrigerator with the door open. It's anti-efficiency. You are putting more wear-and-tear on your dare I say very expensive battery pack.
You want to regen only as needed and do so as gently as possible. You don't want to not regen, but you should do it gently, not vigorously.
Leave L alone, and try driving in slippery mode and reap the benefits of longer coasting distance, longer battery life, and higher MPG.
I've been driving a Ford Hybrid since 2005. This is the way to go.
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