1996 Buick Riviera Owner's Manual - Page 242

Checking Engine Oil Pull oat the ,dipstick and it with a paper towel or clean cloth, thenpush i t back in all the way. Remove agah, it keeping the .tip down, check the level. afid When to Add Oil I the ojl .is at .or below the-ADDmark, then you'll need to f add some oil. But you must use the f-ight kind. This part explains what,kindof oil to use. For ci-&case capacity, see "Cmacities and SDecifhtions'"in the hdex. I . I Don? add toa much oil. your engine has so If much oil thatthe oil levelgets above the shows the proper cross-hatched -area that your engine could be damaged:. operating range., Add engine oil at the engine fill cap next to the oil oil dipstick. Just fl it enough to put the level somewherei the il n proper 0-perating range. Push the dipstickthe way all back in when you'.r'ethrough.