Just take it to the dealer.
Might have triggered a CEL from low voltage. With the CEL or code the remote start won't really work. It might start for 5-10 sec then it will shut off or not start at all. Like was previously said, take it to the dealer.Just got my new 09 3500. Unloaded it of the transporter tuesday night with 53 miles on it. Started it with the remote start today and it started fine. Then the horn beeped 3 times and the engine shut down. Started it with the key and the orange CEL light was on. Drove it about 11 miles and seems to run fine. But light still on and still beeps horn and shuts off if using remote start. Any sugestions or just take it to the dealer?