Hello I own 2017 prius prime
Hello I own 2017 prius prime adv
and it is close to 7thousand miles I notice when I charge the battery in summer it goes up 32 or 33 and in winter it goes to 22 to 25 at the most and when I drive and if I see upward hill then I out in charge mode and when I on plane road I put echo/hv and when I am on high way I put on standers so what is your recommendations to get out more miles out of that and please recommend the charging process also