“Upon getting into the car, most of the time it just shuts off. Sometimes it will run and I can just drive away. Any ideas on why this is?“.
It is an aftermarket system, I believe I have the same system made by StartX or something like that. If you started the car, and have the key fob with you, just get in and push the start button without hitting the brake, Hitting the brake kills the remote start. For more info take a look at
https://remotestartx.com/.