Kia Optima: Vehicle identification number (VIN)

The vehicle identification number (VIN) is the number used in registering your vehicle and in all legal matters pertaining to its ownership, etc.

VIN label
The VIN is also on a plate attached to the top of the dashboard. The number on the plate can easily be seen through the windshield from outside.
Recommended SAE viscosity
number
Vehicle certification labelTightening Torques
Item
kgf.m
N.m
lb-ft
Positive crankcase ventilation valve installation
0.19 ~ 0.29
1.9 ~ 2.8
1.4 ~ 2.1
...
Maintenance Services
You should exercise the utmost care to prevent both damage to your vehicle and
injury to yourself whenever performing any maintenance or inspection procedures.
Should you have any doubts concerning ...
Inspection
1.
Check the bushing for wear and
deterioration.
2.
Check the rear lower arm for
deformation.
3.
Check the coil spring and spring
pad for deterior ...