so this is what exactly happened...my girlfriend took the car for a spin and came back and had my car parked for say 45min or so and when i went back to start it wouldnt start, sounded like the battery was dead, but the lights and music were still working...so opened the hood and disconnected the RED batter wire and just cleaned it with a dry cloth to remove all that stuff that was growing on it and re-connected it and still wouldnt work so i called my friend to give me a boost and it worked..and then all my settings in my car reset i guess because i took the battery off so far so good until i received a phone call and my HFL went on but didnt ring in the car and just displayed incoming call but i couldnt pick it up using the HFL. So then i tried to make a call and pressed the TALK button and usually it will say what would you like to do or something like that i dun remember..but instead it doesnt say anything and my Display goes blank and i cant even cancel it until i turn the car off...anyone know how i can fix this issue?

 

make an appointment with the dealership.

 

yea i shud do that before my warranty dies out..just got another 5K before its done...but would anyone know my cars battery died in the first place?