2004 GMC Yukon Owner's Manual - Page 228

CHECK OIL LEVEL If your vehicle is equipped with an oil level sensor, and the oil level in the vehicle is low, this message will appear on the DIC. Check the oil level and correct it as necessary. You may need to let the vehicle cool or warm up and cycle the ignition to be sure this message will clear. The message will clear itself after 10 seconds, until the next ignition cycle. Once the problem is corrected, press the select button to clear the message from the DIC display. CHECK WASHER FLUID If the washer fluid level is low, this message will appear on the DIC. Press the select button to acknowledge the message and clear it from the DIC display. The message will clear itself after 10 seconds, or until the next ignition cycle. Adding washer fluid will clear the message. DRIVER DOOR AJAR If the driver's door is not fully closed, this message will appear on the display and you will hear a chime. Stop and turn off the vehicle, check the door for obstacles, and close the door again. Check to see if the message still appears on the DIC. Press the select button to acknowledge the message and clear it from the DIC display. CHECK TIRE PRESSURE If your vehicle is equipped with the Tire Pressure Monitor System, and a low tire pressure is detected in any of the vehicle's tires, this message will appear on the DIC, along with a chime. Press the select button, or reset stem, to acknowledge the message and clear it from the DIC display. It will appear at each ignition cycle until the tires are inflated to the correct inflation pressure. ENGINE COOLANT HOT If the cooling system temperature gets hot, this message will appear in the DIC. Stop the vehicle and let the engine idle in PARK (P) to allow the coolant to reach a safe temperature. This message will clear when the coolant temperature drops to safe operating temperature. To acknowledge this message press the select button. 3-70