Recently encountered an issue where my brake lights are on all of the time whether I'm pressing down the brake pedal or not. I also noticed a significant decrease in acceleration, like I'm literally flooring it in 1st gear and the RPM's barely move. What could be causing this issue? 2009 G37s coupe manual. I disconnected the battery in the meantime because I figured it would be drained if left like that. I disconnected and reconnected the battery to reset anything but the lights always remained on.