If the battery is depleted and you turn MM on - the car will get about 20 mpg for 20 minutes on a flat 65 mph road or zero while parked (charging is like it is plugged into a 440 fast charger).
It can hold the charge at 33 miles or at 5 miles forever but will increase or decrease according to the road grade. It only charges to the point where you turn it on. The range meter can read over 50 miles downhill on regen but none of this counts on your car electricity calculator. Mountain mode (MM) stays off until you reach 17 battery miles then turns the generator back on. The engine will stop at that point and when you go down a long hill regen can charge the battery to 33 to 45 miles or more. As soon as you get to a flat area Mountain Mode charges the battery up to 17 to 20 miles again. The battery may go below 5 miles while going up long steep roads even with the generator running. The battery will naturally decrease charge while driving uphill. The GENERATOR by itself cannot add enough charge to the battery on long uphill grades on mountain roads. Mountain mode is used to be sure the battery has 17 to 20 miles before you drive up a mountain. Be careful though, If the battery is kept above 50% you run the risk of overcharging it while going down hills. I drive a late (September) 2013 that has HOLD mode. Sure, if you forget to switch to Normal soon enough, you’ll burn a small amount of gas you didn’t "need" to use and arrive home with a bit of charge remaining, but you will arrive home on quiet electric power.Īlso Watch New Chevy Volt Driving Modes Explained Are you really that interested in saving pennies when using gas? Using Hold to choose when to use battery power can be a personal, not an economic decision (e.g., "I like to save my battery power for driving on residential streets"). On any drive beyond full-charge range with no recharging opportunities, you’ll get perhaps 3-5 more electric miles by careful use of Hold instead of staying in Normal, thus reducing trip gas consumption by perhaps one pint. Last thing you want to do is burn up a quart of gas and arrive with 10 miles of electricity remaining. I use Waze to know exactly how far I have left and I know how many miles / kWh I'm likely to get in around town driving, so I can typically nail it so that I get home just as I'm running out of charge completely, with maybe 1 mile remaining or I run out 1 mile from home. Whatever you do, with all the jacking around with Hold/MM, don't leave electricity in the tank, or you've wasted gas. Does not give the car any kind of "boost" in power/torque. Keeps a 'reserve' in the battery to get you up those hills. Will switch to engine on the highway - and then with 16 miles to go, back to Normal mode. Mountain mode, if I understand correctly, will use battery, and give you an extra push - which depletes your battery faster than normal. I am not as concerned about efficiency as much as saving the quiet experience for the lower speeds, and using the gas engine when I can't hear it on the highway. I always use hold on the freeway and use the electric modes on side streets. On a really bad day I hit 150 mpg round trip. I use Hold mode on the freeway, but switch to Normal mode in traffic jams. Just make sure you don't come back with any battery remaining. But above all else: don't obsess and don't be afraid to use the engine (like some obsessive members). I prefer to save the electric for in-town driving or stop-and-go on the highway stuff.Īt high speeds use hold and round town/stop start use EV. What I've found works best - and I've driven our Volt to Wisconsin, Massachusetts, and Toronto on our longest trips - is I use the Hold mode for on the highway or any long stretches of certain miles per hour. I'm in Michigan with a new-to-us used Volt. Hold mode is good for freeway, it uses gas and keeps the battery where you left it (I'm told that you'll get better mileage when the battery is more full, but I'm not certain).
Here some Chevy Volt owners share their experiences on how to use the Hold and Mountain modes for the best MPG.
Both EV Hold and Mountain modes are similar, the difference is that the Mountain Mode will hold the battery at 45 percent state of charge, while EV Hold mode will hold the charge in your Volt's battery as soon as it’s switched on. 2013 Chevy Volts brought few welcome changes adding an EV Hold Mode to the existing Normal, Sport, and Mountain modes.
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