http://FremontMazda.com 888-786-9478 Available features of the 2012 Mazda3 4-Door include dual-zone automatic climate control, heated front seats, 265-watt Bose audio, Bluetooth hands-free phone and audio capability, Mazda Advanced Keyless Entry and Start System and compact navigation system. Standard safety features of the 2012 Mazda3 4-Door include advanced front air bags, front side-impact air bags, side-impact air curtains, Dynamic Stability Control (DSC) with Traction Control System (TCS). A new Blind Spot Monitoring (BSM) System is now available in the optional Grand Touring Technology Package.