American Petroleum Institute (API) Engine Oil Identification Symbol

This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
See also:
Materials Added To Engine Oils
Do not add any supplemental materials, other than leak detection dyes, to your
engine oil. Engine oil is an engineered product and its performance may be impaired
by supplemental additives. ...
Commands
The Voice Command system understands two types of
commands. Universal commands are available at all
times. Local commands are available if the supported
radio mode is active. ...
Checking Oil Level
To assure proper engine lubrication, the engine oil must
be maintained at the correct level. Check the oil level at
regular intervals, such as every fuel stop. The best time to
check the engine ...


