2007 Chevrolet Colorado Owner's Manual - Page 347
2007 Chevrolet Colorado Manual
Page 347 highlights
Checking Coolant The coolant recovery tank cap has this symbol on it. Adding Coolant If you need more coolant, add the proper DEX-COOL® coolant mixture at the coolant recovery tank. {CAUTION: Turning the radiator pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn you badly. With the coolant recovery tank, you will almost never have to add coolant at the radiator. Never turn the radiator pressure cap - even a little - when the engine and radiator are hot. It is located toward the rear of the engine compartment on the passenger's side of the vehicle. See Engine Compartment Overview on page 332 for more information on location. The vehicle must be on a level surface. When your engine is cold, the coolant level should be at FULL COLD, or a little higher. When your engine is warm, the level could be above the FULL COLD level. 347
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