Update on this issue for me. I brought in my newly leased Spark EV with this problem to have the rear wiper fixed. I brought this up and they researched it and ended up updating the radio firmware which fixed the problem. So next time you are in for any service, just tell your dealer and they...
I just leased a spark EV as well and have this exact same issue with the outside temp reading always reverting back to Celsius. So please advise if anyone has found a solution to this. Thanks.