KIA Optima Hybrid 2013 - Manual (Page 257)

Driving your vehicle
36 5
Highway driving
Tires
Adjust the tire inflation pressures to
specification. Low tire inflation pressures
will result in overheating and possible
failure of the tires.
Avoid using worn or damaged tires which
may result in reduced traction or tire fail-
ure.
Never exceed the maximum tire inflation
pressure shown on the tires.
Driving off-road
Drive carefully off-road because your
vehicle may be damaged by rocks of
roots of trees. Become familiar with the
off-road conditions where you are going
to drive before you begin driving.
Fuel, engine coolant and engine oil
High speed travel consumes more fuel
than urban motoring. Do not forget to
check both the engine coolant and
engine oil.
Drive belt
A loose or damaged drive belt may over-
heat the engine.
WARNING - Under/over
inflated tires
Always check the tires for proper
inflation before driving.
Underinflated or overinflated tires
can cause poor handling, loss of
vehicle control, and sudden tire fail-
ure leading to accidents, injuries,
and even death. For proper tire
pressures, refer to “Tires and
wheels” in section 8.
WARNING - Tire tread
Always check the tire tread before
driving your vehicle. Worn-out tires
can result in loss of vehicle control.
Worn-out tires should be replaced
as soon as possible. For further
information and tread limits, refer
to "Tires and wheels" in section 7.