See also:

Engine coolant
The high-pressure cooling system has a reservoir filled with year round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

Powertrains and Performance
The 2007 Kia Sorento comes with a new 3.8-liter V6 engine that produces 262 hp and 260 pound-feet of torque. It's mated to a five-speed automatic transmission that allows you to choose between aut ...

Impressive Warranty
Hyundai is Kia's corporate parent, so the Optima gets Hyundai's impressive warranty; it includes 10-year/100,000-mile powertrain protection and 5-year/60,000-mile roadside assistance. Kia is put ...