2006 GMC SIERRA engine

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Page 209 of 600

GMC SIERRA 2006  Owners Manual Warning Lights, Gages, and
Indicators
This part describes the warning lights and gages on
your vehicle. The pictures will help you locate them.
Warning lights and gages can signal that something is
wr

Page 211 of 600

GMC SIERRA 2006  Owners Manual Speedometer and Odometer
Your speedometer lets you see your speed in both miles
per hour (mph) and kilometers per hour (km/h). Your
odometer shows how far your vehicle has been driven,
in either miles

Page 212 of 600

GMC SIERRA 2006  Owners Manual Tachometer
Your tachometer displays the engine speed in
revolutions per minute (rpm). See “Grade Braking
(Allison Transmission
®)” underTow/Haul Mode on
page 2-31for more information.
Notice:If y

Page 218 of 600

GMC SIERRA 2006  Owners Manual Battery Warning Light
If this light is displayed
when the engine is running,
you may have a problem
with your charging system.
The battery display will also stay on while the key is in
RUN until the e

Page 219 of 600

GMC SIERRA 2006  Owners Manual Readings in the low warning zone may occur when a
large number of electrical accessories are operating
in the vehicle and the engine is left at an idle for an
extended period. This condition is normal

Page 220 of 600

GMC SIERRA 2006  Owners Manual If the light comes on while you are driving, pull off the
road and stop carefully. You may notice that the pedal
is harder to push or may go closer to the �oor. It may take
longer to stop. If the ligh

Page 221 of 600

GMC SIERRA 2006  Owners Manual Traction Off Light
If you have the Traction
Assist System, this light
should come on brie�y
when you turn the ignition
to RUN.
If the light does not come on then, the system may
require service; have

Page 223 of 600

GMC SIERRA 2006  Owners Manual If your vehicle has an Allison transmission, and the �uid
reaches temperatures of approximately 275°F (135°C)
or greater, the driver information center will display a
TRANS HOT IDLE ENGINE warning m