See also:

Unlocking and locking the doors using keyless entry
To unlock the driver’s door, enter the factory set 5-digit code or your personal code. Each number must be pressed within five seconds of each other. The interior lamps will illuminate. Note: If ...

On-board diagnostics (OBD-II)
Your vehicle is equipped with a computer that monitors the engine’s emission control system. This system is commonly known as the on-board diagnostics system (OBD-II). The OBD-II system protects t ...

V-6 Power
The MKZ's powertrain is another highlight. The 3.5-liter V-6 delivers strong acceleration; there's plenty of power to get you up to speed quickly and effortlessly. The large-displacement V-6 also ...