Check Eng Oil Pressure; Check Eng Oil Level - Chevrolet 2002 Tahoe Owner's Manual

Check Eng Oil Pressure

See "Oil Pressure Gage" in the Index for
more information.
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This message is displayed
when the engine oil pressure
is low.

Check Eng Oil Level

Once oil is added, it may need time to drain and settle in
the engine before this message will turn off. It is best to
let the engine cool down (if it is hot) or warm up (if it is
cold) and cycle the ignition to be sure this message turns
off. Refer to the dipstick for the correct level.
See "Engine Oil" in the Index on how to check the oil
level and for what type of oil to add.
This message is displayed
when the engine oil level
is low.