Pontiac 2005 GTO - Manual (Page 118)

Speedometer
The speedometer shows vehicle speed in both miles
per hour (mph) and kilometers per hour (km/h).
Tachometer
The tachometer shows
engine speed in
revolutions per
minute (rpm).
For automatic transmission vehicle’s, under wide open
throttle acceleration, when the accelerator pedal is
pushed flat to the floor, it is possible that the tachometer
needle may briefly enter the lower end of the
tachometer’s red zone just prior to automatically
upshifting into a higher gear. This is normal during wide
open throttle acceleration and will not harm the engine.
Notice: If you operate the engine with the
tachometer in the shaded warning area, your vehicle
could be damaged, and the damages would not
be covered by your warranty. Do not operate
the engine with the tachometer in the shaded
warning area.
Safety Belt Reminder Light
When the key is turned to
ON, the safety belt light will
come on and stay on for
several seconds and a
chime will be sounded for
eight seconds, then it will
flash continuously until the
driver’s belt is buckled.
If the driver’s belt is already buckled, the light will not
come on.
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