Page 248 of 387 pages for Buick RIVIERA 1997 Owner Manual.
It's a good idea to check your engine oil every time you get fuel. In order to get an accurate reading, The oil must be warm and the vehicle must he can level ground.
The engine oil dipstick is a round. yelinw temp lncntmi directly behind
the engine fan.
Turn off the engine and give the oil a fee.r minutes to drain back into the oi] pan. Ifyuu don't. the nil dipstick might not show the
Checking Engine Oil
Pull out the dipstick and clean it with a paper towel or cloth. then push it back in all the way. Remove it again. keeping the tip down. and check the level.