2005 Dodge Viper Owner's Manual - Page 92

92 UNDERSTANDING YOUR INSTRUMENT PANEL Gauges Tachometer This gauge shows engine speed in revolutionsper-minute (RPM) times 1,000. Avoid excessive engine speeds in any part of the red warning zone, particularly when driving downhill or in lower gears. Coolant Temperature Gauge This gauge shows the engine coolant temperature. The gauge pointer will likely show higher temperatures when driving in hot weather, up mountain grades, or in heavy stop and go traffic. If the red LED light turns on, stop the vehicle and turn off the engine until the cause is corrected. Oil Temperature Gauge This gauge shows the oil temperature. The gauge pointer will likely show higher temperatures when driving in hot weather, up mountain grades, or in heavy stop and go traffic. If the red LED light turns on, stop the vehicle and turn off the engine until the cause is corrected. Oil Pressure Gauge This gauge shows engine oil pressure when the engine is running. The pressure will vary with engine speed, oil viscosity, and engine temperature. Oil pressures will be higher as the engine is warming up. The normal operating pressure is between 20 and 80 psi (pounds per square inch). If the pointer remains in the red range, turn off the engine until the cause is corrected.