1995 Buick Regal Owner's Manual - Page 193
1995 Buick Regal Manual
Page 193 highlights
When the coolant in the coolant recovery tank is at the COLD mark, start your vehicle. If the overheatwarning continues, there's one more thing you can try. You can add the proper coolant mix directly to the radiator, but be sure the cooling system is cool beforeyou do it. 5-19
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