Engine Oil (Diesel Engines) - GMC 1999 Sierra 1500 Pickup Owner's Manual

Service & Appearance Care
Engine Block Heater:
An engine block heater can be a big help i f you have to park outside in very
cold weather, 0°F (-18°C) or colder. If your vehicle has this option, see
"Engine Block Heater" in the Index.
What to Do with Used Oil:
I CAUTION
I
Used engine oil contains things that have caused skin cancer
laboratory animals. Don't let used oil stay on your skin for very I
Clean your skin and nails with soap and water, or a good hand
cleaner. Wash or properly throw away clothing or rags containing
used engine oil.
Used-oil can be a real threat to the environment. If you change your own oil,
be sure to drain all free-flowing oil from the filter before disposal. Don't ever
dispose of oil by putting it in the trash, pouring it on the ground, into sewers,
or into streams or bodies of water. Instead, recycle it by taking it to a place
that collects used oil. If you have a problem properly disposing of your used
oil, ask your dealer, a service station or a local recycling center for help.
Engine Oil (Diesel Engines)
It's a good idea to check your engine oil level 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.
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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.
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