SECTION 1-A 1957 BUICK LUBRICARE INSTRUCTIONS 1-1 EVERY 1000 MILES - 1957 BUICK LUBRICARE 1957 Buick Lubricare - Chassis Check engine oil level only after engine has been stopped for at least three to five minutes to allow oil to drain down. The oil level should be maintained between the "FULL" and "ADD 1 QT" [...]