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If the engine overheats
If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine will probably be too hot. If this happens, you should: 1. Pull off 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 ...

Door locks
Operating door locks from outside the vehicle • Turn the key toward rear of vehicle to unlock and toward front of vehicle to lock. • Turn the key toward front of vehicle to lock all doors. ...