However far you can get on about 1 gallon.
Most likely about 2 gallons.
No. Just the main tank. The warning light comes on with about a gallon left in the tank, in my experience.
From my experience, roughly 1 gallon.
No.
I have made it 27 miles, I wouldn't go much more than that.
The airbag light stays on when the computer detects a malfunction. The problem will need to be repaired before the light will turn off.
Not that I've seen.
possibly the cap isn't tight enough, turn it until you hear it click 3 times.
The warning light on the dash of a Dodge Charger could mean different things. It would depend on the year of the Dodge Charger for starters. There are also multiple warning lights. It is recommended to check the owners manual or have it checked my a mechanic.
Check Tire pressure
By buying fog lights and installing them.
Look in your owners manual.