See also:

Adjustable headrest (if so equipped)
WARNING: The adjustable headrests supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjust the headrests prope ...

Selecting the correct oil
It is essential to choose the correct grade, quality, and viscosity engine oil to ensure satisfactory engine life and performance, see “Capacities and recommended fuel/lubricants” earlier ...

Temperature
High temperatures accelerate the rate of corrosion to those parts which are not well ventilated. ...