Buick 2005 Rendezvous - Manual (Page 193)

Low Engine Oil Level Message
Your vehicle may have a low engine oil level message.
If this message comes on, it means your engine is
low on oil. You should check your oil level right away.
Have your vehicle serviced immediately.
See Engine Oil on page 5-16 for more information.
Change Engine Oil Message
When this message comes on and stays on after you
have started the engine, it means that service is required
for your vehicle. See Scheduled Maintenance on
page 6-4 and Engine Oil on page 5-16 for more
information.
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