Anti-Lock Brake System Warning Light; Engine Coolant Temperature Gage - GMC SIERRA CK2 1999 Owner's Manual

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Anti-Lock Brake System Warning Light

If the light stays on, or comes on when you're driving,
your vehicle needs service. If the regular brake system
warning light isn't on, you still have brakes, but you
-
don't have anti
lock brakes. If the regular brake system
warning light is also on, you don't have anti
and there's a problem with your regular brakes. See
"Brake System Warning Light" earlier in this section.
-
The anti
lock brake system warning light should come
on briefly when you turn the ignition key to RUN. If the
light doesn't come on then, have it fixed so it will be
ready to warn you if there is a problem.
-
With the anti
lock brake
system, this light will come
on when you start your
engine and may stay on
for several seconds.
That's normal.
-
lock brakes

Engine Coolant Temperature Gage

It also provides an indicator of how hard your vehicle is
working. During a majority of the operation, the gage
will read 210 _ F (100 _ C) or less. If you are pulling a
load or going up hills, it is normal for the temperature to
fluctuate and approach the 260 _ F (125 _ C) mark. If the
gage reaches the 260 _ F (125 _ C) mark, it indicates that
the cooling system is working beyond its capacity.
The "Problems on the Road," section of this manual
shows what to do. See "Engine Overheating" in
the Index.
yellowblue
This gage shows the engine
coolant temperature.
2-69

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