Coolant

ENGINE COOLANT
A 50/50 mixture of clean water (preferably distilled) and use only GM Goodwrench(R) DEX-COOL(R) or Havoline(R) DEX-COOL(R) (orange-colored, silicate-free) coolant, conforming to GM Specification 6277M.

CAUTIONS:
^ The use of sealing pellets (or similar compounds) in the coolant system is NOT recommended.The use of sealing pellets may restrict the flow of coolant through the throttle body or other engine cooling system components.

^ If silicate coolant is added to the cooling system, premature engine, heater core or radiator corrosion may result. In addition, the coolant will require change SOONER, at 50 000 km (30,000 miles) or 24 months.