Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every
5 000 km/3,000 mi.
Have underbody flushing service performed once a year.
...
Automatic Transmission
The automatic transmission has a shift lever located on the console between the seats.
The mode or selected gear is shown in the instrument cluster
P (Park): This position locks the drive wheels ...
Programmable Automatic Door
Locks
Your vehicle is programmed so that, when the doors are
closed, the ignition is on, and the shift lever is moved out
of P (Park), all the doors will lock. The doors will unlock
every time you sto ...