Rear differential (4WD)
Checking or changing rear differential
fluid
Have rear differential fluid checked or
changed by an Authorized Kia
Dealer according to the Maintenance
Schedule at the beginning of this
section.
Use only the specified rear differential fluid. (Refer to "Recommended lubricants and capacities" in section 8.)
See also:
Air cleaner
Element replacement
Have the air cleaner element
checked and replaced in accordance
with the maintenance schedule.
NOTICE
Do not drive with the air cleaner
removed; this will result in excessi ...
2011 Kia Optima Review
The previous generation Kia Optima was a vehicle struggling to keep up with
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value proposition, when in reality it was ...
Vehicle break-in process
No special break-in period is needed. By
following a few simple precautions for the
first 1,000 km (600 miles) you may add to
the performance, economy and life of
your vehicle.
• Do not race th ...