Problem 1: gasoline smell with leak and ultimate failure of valve to transfer fuel from one tank to another. occurred continually with fuel tank registering full to 3/4 tank then dropping to empty and vehicle appeared to be out of gas (would not run until fuel added to tank). solution: took vehicle to chevrolet dealership for repairs. repair invoice states: "replaced l/s gas tank and pump and sender and replaced r/s fuel pump and sender. check fuel gauge and tanks found l/s fuel tank leaking at top of tank. weld also found fuel level sensors open circuit and fuel system not transferring fuel from tank to tank. retest after repairs. ok" problem 2: a/c display lights do not illuminate and controls are difficult to see at night. solution: took to chevrolet dealership for repairs. repair invoice states: "controller has internal failure, replaced controller." *tr