Transmission Temperature Gage; Exhaust Brake Indicator Light - GMC TopKick 2007 Owner's Manual

Transmission Temperature Gage

When your ignition is on, the gage shows the
temperature of the transmission oil. A reading in
the warning zone, the red area beginning at 300°F
(150°C), means you must stop driving and
check into the cause. One possible cause is a low
oil level in the transmission.
Notice: If you drive your vehicle with the
transmission temperature gage above normal
operating range, you can damage the
transmission. This could lead to costly repairs
that would not be covered by your warranty.
Do not drive your vehicle while the
transmission temperature gage reading is
above normal. See your dealer for service.
176
If you have an
automatic transmission
and this gage, it is
located above the
switchbank in the
center of the
instrument panel.

Exhaust Brake Indicator Light

The exhaust brake indicator light will come on and
stay on whenever the diesel engine exhaust
brake or exhaust restrictor is active. For more
information, see Diesel Engine Exhaust Brake on
page 109 and Exhaust Restrictor (Engine
Warm-Up) on page 105.
If your vehicle is
equipped with an
exhaust brake, you will
have this light, located
above the climate
controls in the center of
the instrument panel.