I had to replace a fuse today, and I was checking my fuses inside the car and noticed there was some missing. It is a 99 Grand Prix GTP.

I was missing: Cig Ltr, Hvac Ctrl, and Radio Amp.

Can someone tell me what fuse sizes these are and what they control, aside from the Cigarette Lighter. I know HVAC Control has to do with the climate control, but what does it control exactly. And what will the Radio Amp fuse change, the radio works well.

I looked online for a fuse chart hoping to find sizes, but had no luck. Thanks