Shawna Mackenzie

i just bought a 2010 Joureny sxt and im experiening brake issues such as i got to apply the brakes there there then next time pedal goes to the floor.. Brakes are new, i brought it back to the dealer where i bought it they had it over a week and cant find a problem, and now since i got it back my remote start isnt working. right, it starts my car and in 3 secs it shuts off. \Can some please help me?