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:
Engine Coolant Checks
Check the engine coolant (antifreeze) protection every 12 months (before the
onset of freezing weather, where applicable). If the engine coolant (antifreeze)
is dirty or rusty in appearance, the s ...
Keyless Enter-N-Go
The Passive Entry system is an enhancement to the
vehicle’s Remote Keyless Entry (RKE) system and a
feature of Keyless Enter-N-Go. This feature allows you to
lock and unlock the vehicle’s do ...
Drivetrain Choices
The Patriot offers a choice of two engines, two transmissions and three
drivelines. Standard are the familiar 2.4-liter four-cylinder from the Caliber
and Compass, a five-speed manual transmission ...


