Chevrolet 1994 Lumina Owner's Manual page 168

Service
&
Appearance Care
3.1L V6: Checking Engine Oil
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3.4L V6: Checking Engine Oil
Engine Oil
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 be on level ground.
Turn off the engine and give the oil a few
minutes to drain back into the oil pan. If
you don't, the oil dipstick might not show
the actual level.
To Check 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 lower, and check the level.
3.1L V6: Adding Engine Oil
3.4L V6: Adding Engine Oil