See also:

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 ...

Battery replacement
CAUTION: Be careful not to allow children to swallow the battery or removed parts. ...

Variable voltage control system
CAUTION ● Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely. ● ...