See also:

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). For eAssist vehicles, when the ignition is in ON/RUN, the tachometer indicates the vehicle status. When pointing to ...

What to Use
To determine what kind of fluid to use, see Recommended Fluids and Lubricants. Always use the proper fluid. ...