See also:

Smooth Power, Rough Ride
Driving the IPL home after a long workweek was like slamming a shot of espresso. It's fast and exhilaratingly fun to drive … but so is the base G37 coupe. The IPL adds 18 hp, but I really couldn't ...

Readiness for Inspection/Maintenance (I/M) test (US only)
A vehicle equipped with All-Wheel Drive (AWD) should never be tested using a two wheel dynamometer (such as the dynamometers used by some states for emissions testing), or similar equipment. Make sure ...

Tachometer
The tachometer indicates engine speed in revolutions per minute (rpm). Do not rev the engine into the red zone 1 . CAUTION When engine speed approaches the red zone, shift to a higher gear or re ...