Page 226 of 324 pages for Buick RIVIERA 1993 Owner Manual.
Add engine oil at the engine oil ﬁll cap next to the nil Wh at Kind of DH In Use: dlml'Ck' Look for Iliree things:
Just ﬁll it enough to put the level semewhete in the .- SG
pmpittr operating range, Push the dipstick all the way
back in when you're through. “SE” must be en the nil container. either by itself or combined with other qualityr destiglttatiens+ such as "SWEET “SGICD.” "S-F.SG.CC.“ etc. These letters
shew American Petroleum Institute [APIJI levels ef quality.