2003 GMC Sonoma Owner's Manual - Page 273
2003 GMC Sonoma Manual
Page 273 highlights
Checking Things Under the Hood Things that burn can get on hot engine parts and start a fire. These include liquids like fuel, oil, coolant, brake fluid, windshield washer and other fluids, and plastic or rubber. You or others could be burned. Be careful not to drop or spill things that will burn onto a hot engine. 2. Lift the hood. 5-10
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