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:
Maintenance Procedures
The pages that follow contain the required maintenance
services determined by the engineers who designed your
vehicle.
Besides those maintenance items specified in the fixed
maintenance schedul ...
2010 Jeep Wrangler Unlimited review
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Chrysler's latest owner, Italian automaker Fiat, has said it won't meddle with.
That's probably a good thing. Short of a ...
Quick Steps To Lowering The Soft Top
Refer to “Lowering The Soft Top” in this section for further information.
1. Remove the side and back windows.
2. Release header latches from the windshield frame.
3. Release the Sunrider l ...


