Kia Optima: Tire Care
For proper maintenance, safety, and maximum fuel economy, you must always maintain recommended tire inflation pressures and stay within the load limits and weight distribution recommended for your vehicle. The load limits appear on the sidewalls of the tires.
Tires and Wheels
...
Inflation Pressures
All tire pressures (including the spare) should be checked monthly when the tires
are cold. “Cold Tires” means the vehicle has not been driven for at least three
hours or driven less than one mile ...
See also:
Installation
Refer to "Accelerator Pedal" in this group. ...
Headrest
To raise the headrest, simply pull it up to the desired position. To lower the
headrest, press the release lever on the left side grommet, while pushing the headrest
down to the desired position ...
Why didn’t my air bag go off in a collision? (Inflation and non-inflation conditions
of the air bag)
There are many types of accidents in which the air bag would not be expected
to provide additional protection.
These include rear impacts, second or third collisions in multiple impact accidents,
...