1997 Buick Regal Owner's Manual - Page 257

1997 Buick Regal Manual

Page 257 highlights

1 . You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise until it first stops. (Don't press down while turning the pressure cap.) How to Add Coolantto the Radiator If you hear a hiss, wait for that to stop. A hiss means there is still some pressure left. I NOTICE: Your engine has a specific radiator procedure. fill Failure to follow this procedure could cause your engine to overheat and be severely damaged.

We apologize, but we cannot currently deliver this PDF manual by request of the manufacturer.

We apologize for any inconveniece.