I personally like it, but it is not practical for the non-daily/ infrequent drivers. I do not daily drive my car and the light would possibly stay on for weeks unnecessarily, since I typically leave it plugged in. I would recommend having the light just go off once Full Charged. Save some light bulbs
On a side note: Anything in the works to improve the 0-60 and 1/4 mile time? The Karma really needs a boost in spot acceleration for in/out traffic darting and back road blasting/ twisty fun. Sadly the overall lack of acceleration performance leaves me flat on enthusiasm as an owner resulting in the car not getting the road time it would have if it were more spirited.