GMC 2003 Envoy - Manual (Page 165)

Antr-Lock Brake System Warning
Light
Engine Coofant Temperature Gage
WiUi Ihe brake
syslcm, this light will come
on when you start your
engine and may stay on for
several seconds. That's
normal. A chime may also
sound when ihe light
comes on+
II the light stays on, or comes on when you're driving,
your vehicle needs service. It the regular brake
system warning light isn't on. you still have brakes, bui
you don’t have ar>ti-lock brakes. If the rggolar brake
system warning light is also on, you don't have anti-lock
brakes and Ihere’s a problem with your ragular
brakes See
8rnke
Syfffpm
Warning Light on page 3-39
earlier m this section.
The anti-lock brako system warning IlghI should coma
on hriofiy when you turn the ignition hey to RUN»
It the lighi doesn't come on then, have IL fixed so it will
ba ready lo warn you if there Is a problem.
This gage shows the angina coolant temperature. It the
gaga pointer moves into the red area, rt means that
your engine coolant has overhcatod. If you have been
operating your vehicle under normal driving conditions,
you should pull off the read, stop your vahiclo and
turn ott the engine as soon as possible.
See Ecgme
Oiferh&ating an page 3’27
for more
inlormation.
3-40