What's the 2006 Chevy Impala coolant capacity?

The 2006 Chevrolet Impala has a coolant capacity of 12.3 quarts for the initial fill. The type that should be used in the vehicle is orange Dex Cool; 50/50 Pre-Diluted. Coolant is used to protect the engine from extreme temperatures, both extreme hot and extreme cold temperatures. It helps to absorb the heat from the engine and put it back in radiator. The cost of coolant is around $11 to $18 per gallon, depending on the brand and the store. You should change the coolant every two years or 30,000 miles, whichever comes first. The cost of a change if taken to a mechanic is anywhere from $120 to $150 in labor costs. It takes about 10 to 15 minutes to do a change.