Tachometer

Tachometer
The tachometer indicates engine speed in revolutions per minute (rpm). Do not rev the engine into the red zone 1 .

When engine speed approaches the red zone, shift to a higher gear or reduce engine speed. Operating the engine in the red zone may cause serious engine damage.
See also:
2008 Nissan Sentra review
This review focuses on the sportiest Sentra trim level, the SE-R Spec V. I
already reviewed the regular 2007 Sentra, and that model is mostly unchanged for
2008. For more on the Sentra, read that ...
Checking engine oil level
MR20DE
QR25DE
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature.
3. Turn off the engine. Wait m ...
In-cabin microfilter
The in-cabin microfilter restricts the entry of airborne
dust and pollen particles and reduces
some objectionable outside odors. The filter is
located behind the trim panel near the accelerator ...
