K adam simply get ahold of Horizon Hobbies return department.They are really cool to deal with or were when I had to on one GMv12.
To Racerdx I second the motion to stay as FARRRR away from the trinity car as possible.The guys who do well with that car run parts you CANT unless your buddy with someone.
Go with a Rev3 from SpeedMerchant or a CRC car.