Jeep Liberty: Synthetic Engine Oils
You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed.
Engine Oil Viscosity
SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. The engine oil filler cap also shows the recommend ...Materials Added To Engine Oil
Do not add any supplemental additives, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. ...See also:
Important safety notes
WARNING
For safety reasons, switch off the windshield wipers and remove the key from
the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make
sure that the on-board ...
Engine oil and oil filter recommendation
1. API certification markБЮ
2. API service symbol ...
If steam is coming from the engine compartment
Turn off the engine and get everyone
away from the vehicle until it cools down. ...