But more important, to reduce the chances of needing to call for assistance, with the car asleep, leave the humidity sensor unplugged & then install the wingnut. Ideally in that order because it's hard to keep the battery connected while swapping the plain nut for the wingnut, & if the sensor is connected when it loses 12V power it's more likely to cause an issue.
First though, to calculate home charging cost now, you might want to take a pic of your trip gauges first, since they get zeroed out if you lose 12V power.
First though, to calculate home charging cost now, you might want to take a pic of your trip gauges first, since they get zeroed out if you lose 12V power.