See also:

Vehicle break-in process
No special break-in period is needed. By following a few simple precautions for the first 1,000 km (600 miles) you may add to the performance, economy and life of your vehicle. • Do not race th ...

POWER AND FUEL-ECONOMY ARE UP TO PAR
That description might have you thinking the Optima has all sorts of power. True, the upgraded 2.4-liter four-cylinder gets added power for ’09 with 175hp and 169 ft-lbs of torque, but it’s no ...

Four wheel drive (4WD)
Engine power can be delivered to all front and rear wheels for maximum traction. Full-time 4WD is useful when extra traction is required on road, such as, when driving on slippery, muddy, wet, ...