See also:

Fluid Level Check
Check the fluid level by removing the fill plug. The fluid level should be between the bottom of the fill hole and a point not more than 3/16 in (4.76 mm) below the bottom of the hole. Add fluid, ...

Chassis
...

Commands
The Voice Command system understands two types of commands. Universal commands are available at all times. Local commands are available if the supported radio mode is active. ...