Low Coolant Warning Light; Wait To Start Indicator - GMC 2005 T-Series Owner's Manual

Low Coolant Warning Light

The warning light should come on briefly, as a check,
when you turn on the ignition.
When it comes on, you will also hear a warning tone for
10 seconds. See Engine Coolant on page 5-24 and
have your vehicle serviced as soon as you can.
This light may also come on if your vehicle is equipped
with the automatic engine shutdown system and
engine shutdown has begun.
You have a low coolant
warning light. If this light
comes on, your system is
low on coolant and the
engine may overheat.

Wait to Start Indicator

Wait until the indicator turns off before turning the
ignition key to START.
When the temperature is below 32°F (0°C), you should
wait no more than 10 seconds to start your vehicle.
See Ignition Positions on page 2-7 for more information.
This indicator, in the center
of the instrument panel, will
come on when the glow
plug is on and the ignition
key is in ON or START.
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