Jeep Liberty: Change Engine Oil
The oil change indicator system will remind you that it is time to take your vehicle in for scheduled maintenance.
Refer to the “Maintenance Schedule” for further information.
NOTE: Under no circumstances should oil change intervals exceed 8,000 miles (13 000 km) or six months, whichever occurs first.
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 ...Engine Oil Selection
For best performance and maximum protection under all types of operating conditions, the manufacturer recommends engine oils that are API Certified and meet the requirements of Chrysler Material ...See also:
Recommended grade and viscosity
Each oil manufacturer has its own base
oils and additives. Never use different
brands together. For details, refer to
“Manual transmission, front differential
and rear differential gear oil ...
Displaying service messages
Switch on the ignition.
Press or
on the steering wheel to select
the Serv. menu.
Press or
to select the ASSYST PLUS submenu
and press to confirm. The service
due date appears ...
Turbo models
The engine is designed to operate using
premium unleaded gasoline with an
octane rating of 91 AKI (95 RON) or
higher. If premium unleaded gasoline is
not available, regular unleaded gasoline
...