So I checked my loot box today after not having paid attention to it since I first picked up my car (early May). I did receive 1,000 miles as I used a friend's referral code. Since that time I made a few trips to the local supercharger until my home charger arrived. I noticed the miles were decreasing as expected with each visit to the supercharger... However I looked today and all of a sudden I have 3000 more than before. Accident, error, or just a random giveaway?