Car Electronics Questions? Ask an Electronics Expert for Answers ASAP
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Check, first, whether you can start the car with the regular key, and whether any kind of battery condition is signaled on the dashboard, even if you can.
My though is, that if the battery were somewhat discharged or defective, the loading down of its voltage by an attempt to start would cause the remote starter to shut off, thus the only-brief-attempt-to-start symptom.
If that guess isn't what is wrong, then please tell me the maker and model of your remote start system.