1999 GMC Sonoma Owner's Manual - Page 124

yellowblue Fuel Gage When the ignition is on, the fuel gage tells you about how much fuel you have remaining. Low Fuel Light This light comes on briefly when you start your engine. This light comes on when the fuel tank is low on fuel. Here are four things that some owners ask about. None of these show a problem with your fuel gage: To turn it off, add fuel to the fuel tank. See "Fuel" in the Index. D At the gas station, the gas pump shuts off before the gage reads F (Full). D It takes a little more or less fuel to fill up than the gage indicated. For example, the gage may have indicated the tank was half full, but it actually took a little more or less than half the tank's capacity to fill the tank. speed up. D The gage moves a little when you turn a corner or D The gage doesn't go back to E (Empty) when you turn off the ignition. 2-66