Mazda RX-8 2010 Owner's Manual page 177

Driving Your Mazda
Instrument Cluster and Indicators
CAUTION
Do not run the engine with the
tachometer needle in the RED ZONE.
This may cause severe engine
damage.
NOTE
The beep sounds to indicate engine overrev
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when the tachometer needle enters the
striped zone.
The display of the variable red zone in the
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tachometer changes according to the
temperature of the engine coolant. To
protect the engine, when the engine coolant
temperature is low, the engine does not run
at high speeds. The fuel supply will be cut
at an rpm lower than the red zone.
qEngine Coolant Temperature Gauge
The engine coolant temperature gauge
shows the temperature of the engine
coolant.
If the needle is near H, it indicates
overheating.
CAUTION
Driving with an overheated engine
can cause serious engine damage
(page 7-17).
5-38
qFuel Gauge
The fuel gauge shows approximately how
much fuel is remaining in the tank when
the ignition switch is in the ON position.
We recommend keeping the tank over 1/4
full. When the low fuel warning light
illuminates or when the needle is near E,
refuel as soon as possible.
Low fuel warning light
NOTE
After refueling, it may require some time for
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the needle to stabilize. In addition, the
needle may deviate while driving on a slope
or curve since the fuel moves in the tank.
The direction of the arrow (
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the fuel-filler lid is on the left side of the
vehicle.
qDashboard Illumination
Rotate the thumb wheel to adjust the
brightness of the instrument cluster and
other illuminations in the dashboard.
NOTE
The brightness of dashboard illuminations
l
(except instrument cluster) can be adjusted
when the headlight switch is in the
position.
The brightness of the instrument cluster
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illumination can be adjusted when the
headlight switch is in any position.
) shows that
or