I am glad there are forums like this to help with a problem when you are at your wits end. I had a Avic-D3 installed in my car earlier this week at what is a known Audio shop. I have used them before with no problems. I thought at first everything went fine until I am on my way home. I notice that the tire pressure light is on. No Problem I will stop at the gas station and put some air in the tires. Check the tires and all are correctly inflated. It's getting dark by now so I turn on my lights and I notice half the lights on my climate control are out. I turn the nav on and set a cour