We bought a 2007 Aveo hatchback that someone had installed a Pioneer DEH P2900 stereo in before we got it. My problem is that we do not have the chime that tells you your headlights are on after you turn off the car or that tell you your key is in the ignition when you open the driver's door. Does anyone know if this could be due to a mismatch in the wiring harness of the radio or does the chime not go through the radio system on this particular model? We would really like to have them back....to keep from having to jumpstart the car too often... Thanks in advance!