A range estimate is simple math: average mileage x available fuel.
The full charge range estimates and the "as you drive" range estimates employ different methods of calculating average mileage.
The algorithm used to create the full-charge, or start of day average mileage estimate, is based on historical driving data, weighted for recent data, and tends to be fuel-specific. Last night’s temperature impacted the mileage you got while driving home last night. That mileage plays a greater role in today’s start of day average mileage estimate than does this morning’s temperature.
If ERDTT and short distances driven on a cold engine are your only use of the ICE, your start of day gas range estimates will be low, even with a full tank of gas, based on this recent low mileage use of gas.
Of, if your electric driving is very efficient, but you only drive 10 miles a day, your fully charged Gen 2 Volt might show a full charge ev range estimate of 70-80+ miles, based on your efficient short-distance ev driving.
Once you start driving, mileage estimates change, based on "on the fly" environment, terrain, power used for accessories, and driving habit data feedback. When driving on battery power, the ev range estimates change both as fuel is consumed and driving efficiency is modified. Note that the "on the fly" data feedback may also be applied to the average mileage estimate of the fuel not being used, producing a change in the gas range estimate, even if the ICE is never turned on.
My 2012 Volt has no Hold mode, so I do not know if the reverse is true, if the ev range estimate would change, based only on "on the fly data feedback" while driving in Extended Range Mode.
The full charge range estimates and the "as you drive" range estimates employ different methods of calculating average mileage.
The algorithm used to create the full-charge, or start of day average mileage estimate, is based on historical driving data, weighted for recent data, and tends to be fuel-specific. Last night’s temperature impacted the mileage you got while driving home last night. That mileage plays a greater role in today’s start of day average mileage estimate than does this morning’s temperature.
If ERDTT and short distances driven on a cold engine are your only use of the ICE, your start of day gas range estimates will be low, even with a full tank of gas, based on this recent low mileage use of gas.
Of, if your electric driving is very efficient, but you only drive 10 miles a day, your fully charged Gen 2 Volt might show a full charge ev range estimate of 70-80+ miles, based on your efficient short-distance ev driving.
Once you start driving, mileage estimates change, based on "on the fly" environment, terrain, power used for accessories, and driving habit data feedback. When driving on battery power, the ev range estimates change both as fuel is consumed and driving efficiency is modified. Note that the "on the fly" data feedback may also be applied to the average mileage estimate of the fuel not being used, producing a change in the gas range estimate, even if the ICE is never turned on.
My 2012 Volt has no Hold mode, so I do not know if the reverse is true, if the ev range estimate would change, based only on "on the fly data feedback" while driving in Extended Range Mode.
