Octane recommendations

“Regular” unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Some stations offer fuels posted as “Regular” with an octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended.

Do not be concerned if your engine sometimes knocks lightly. However, if it knocks heavily under most driving conditions while you are using fuel with the recommended octane rating, see your authorized dealer to prevent any engine damage.
See also:
Special operating conditions
If you operate your vehicle primarily in any of the following
conditions,
you need to perform additional maintenance as indicated. If you
occasionally operate your vehicle under any of these con ...
Brake fluid
The fluid level will drop slowly as
the brakes wear, and will rise when
the brake components are replaced.
Fluid levels between the MIN and
MAX lines are within the normal
operating range; ...
Satellite Radio
Satellite radio is available only with a valid SIRIUS radio
subscription. Check with your authorized dealer for availability.
SIRIUS: Press repeatedly to access satellite radio mode, if equipped.
...
