When pulling out from side street, parking lot, drive way, ect. at normal speed. if there is any kind of bump, or rough road the car will loose power for about 5 seconds and the traction control light will come on. i have almost got run over 4 times now. had in service dept. at dealer 2 time and they say could not duplicate. this is going to get someone killed. dealer and gm are no help and just say it is a lite car so that's the way it is. car is a 2013 chevy spark 2lt / 4 speed auto transmission. *tr