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:
Keys
Record your key number
The key code number is stamped on the
bar code tag attached to the key set.
Should you lose your keys, this number
will enable an authorized KIA dealer to
duplicate the k ...
Lubricant specifications
Recommended lubricants
To help achieve proper engine and powertrain performance and
durability, use only lubricants of the proper quality. The correct
lubricants also help promote engine efficiency ...
SOLID RIDE WITH POWER TO SPARE AND EXCELLENT FUEL ECONOMY
In terms of driving characteristics, the Optima is very much in keeping with
the Hyundai Sonata, which shares the same platform. The cabin is quiet and the
drive is smooth, with the Optima feeling ...