Tachometer
The tachometer shows the engine speed in thousands of revolutions per minute.

Do not operate the engine with the pointer of the tachometer in the red zone. This may cause severe damage to the engine.
See also:
Examples of the types of accidents in which the driver’s/driver’s and front
passenger’s SRS frontal airbag(s) will basically not deploy.
The driver’s and front passenger’s SRS
frontal airbags are designed basically not
to deploy if the vehicle is struck from the
side or from behind, or if it rolls onto its
side or roof, or if ...
Adjustable level of each mode
*: For type A and B audio, AUX volume can be adjusted only when an AUX audio
product is connected. ...
Lubrication oil circulation in the refrigerant circuit
Operate the air conditioner compressor at a low engine speed (at idle or low driving speeds) a few minutes each month during the off-season to circulate its oil. ...
