Transmission Fluid Hot MessageWhen you see this flashingsymbol, the transmissionfluid temperature ishigh (290°F (143°C)).To acknowledge this warning, press either button on theoutboard switch on the left spoke of the steering wheel.After you press this button, the warning will redisplayevery 10 minutes until the temperature returns tothe normal operating range. If this message appears,you may continue to drive at a slower speed whilemonitoring the transmission fluid temperature. Ideally,the transmission oil temperature should not riseabove 265°F (129°C). If you regularly experiencetemperatures above this limit due to high performanceoperation, it is recommended to use an auxiliaryfluid cooler for the transmission and differential.See your GM dealer for details. If this warning isdisplayed during normal vehicle operation on flat roads,your vehicle may need service. See your dealer foran inspection. See DIC Warnings and Messageson page 3-61 and Manual Transmission Fluid onpage 5-26 for more information.Hot Coolant TemperatureWarning MessageWhen you see this flashingsymbol, the engine coolanttemperature is high(257°F (125°C)).To acknowledge this warning, press either button on theoutboard switch on the left spoke of the steering wheel.After you press a button, this warning will redisplayevery 10 minutes until the temperature returns to thenormal operating range. Driving aggressively ordriving on long hills can cause the engine coolanttemperature to be higher than normal. Display of thiswarning should correspond with the Engine CoolantTemperature Warning Light. See Engine CoolantTemperature Warning Light (CTS) on page 3-40 formore information. If this warning is displayed duringnormal vehicle operation on flat roads, your vehicle mayneed service. See your dealer for an inspection.3-50
