2012 Acura RL Owner's Manual - Page 76

Gauges Fuel Gauge This shows how much fuel you have. It may show slightly more or less than the actual amount. The needle returns to the bottom after you turn off the ignition. TACHOMETER SPEEDOMETER TEMPERATURE GAUGE Avoid driving with an extremely low f uel level. Running out of f uel could cause the engine to misf ire, damaging the catalytic converter. U.S. model is shown. FUEL GAUGE Temperature Gauge This shows the temperature of the engine's coolant. During normal operation, the pointer should rise from the bottom white mark to about the middle of the gauge. In severe driving conditions, such as very hot weather or a long period of uphill driving, the pointer may rise to the upper end of the white section of the gauge. If it reaches the red (hot) mark, pull safely to the side of the road. For more information, see page 505 . 70