2006 Pontiac Solstice Owner's Manual - Page 213

Notice: If you use an improper coolant mixture, your engine could overheat and be badly damaged. The repair cost would not be covered by your warranty. Too much water in the mixture can freeze and crack the engine, radiator, heater core and other parts. If you have to add coolant more than four times a year, have your dealer check your cooling system. Notice: If you use extra inhibitors and/or additives in your vehicle's cooling system, you could damage your vehicle. Use only the proper mixture of the engine coolant listed in this manual for the cooling system. See Part D: Recommended Fluids and Lubricants on page 6-21 for more information. Checking Coolant The coolant surge tank is located in the engine compartment on the driver's side of the vehicle. See Engine Compartment Overview on page 5-12 for more information on location. 5-21