Hey guys well had the d3 for a while tried to figure it out, but one thing is that it doesn't save any settings... is there a way i can save the time settings the sound settings and the lcd light settings? did i do sumthin wrong? because everytime the car shuts off and turns back on the setting

change back to the settings the guy i had be4 i bought the d3 off him. thanks

You have the power wires hooked up wrong

What cameltowing said. Check your wiring.

Check your yellow power wire, it needs to be hooked up to a 12V+ source that has power all the time. This is what enables your unit to retain it's memory.