2012 Buick Regal Owner Manual - Page 126

5-12 Instruments and Controls (DIC) and a single chime sounds. See Fuel System Messages on page 5￿32 for more information. Here are four things that some owners ask about. None of these show a problem with the fuel gauge: . Driver Efficiency Gauge Engine Coolant Temperature Gauge At the service station, the fuel pump shuts off before the gauge reads full. It takes a little more or less fuel to fill up than the gauge indicated. For example, the gauge 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. The gauge moves a little while turning a corner or speeding up. The gauge takes a few seconds to stabilize after the ignition is turned on, and will go back to empty when the ignition is turned off. . For eAssist vehicles, this gauge assists in driving efficiently and may vary based on driver input. To maximize efficiency, keep the gauge pointed in the solid green zone in the center of the gauge. The gauge moves to the left when braking and to the right when accelerating. When either is done aggressively, the vehicle is being driven less efficiently and the gauge will move further from the center. Metric . .