GMC 2003 Envoy - Manual (Page 158)

Warning Lights, Gages and
indicators
This part de$crlbBS the warning iights ^nd gages that
may be on your vehicfe. The pictures wii( help you
locate thorn
Warning lights arid gages can signal that something is
wrong before it becomes serious enough to cause
an expansive repair or replacement. Paying attantion to
your warning lights and gages could also save you
or others trom injury.
Warning lights Come on when there may be or ts a
problem with one of your vehicle's functions. As you will
see in tha details
an the nexj faw pages, soma
warning tights coinè on briefly when you start the
engine jList to let you know they to working. If you ano
familiar with this section, you should not be atarnnod
when this happens.
Gages can Indicate when there may he or is a problem
with one of your vahide's functions. Often gages
and warning lights worf< together to tet you know when
thene^s a problem with your vahicle.
Whan one of the warning lights comes on and slays on
when you are driving, or when one of rhe gages
shows there may be a problem, check the section thaï
telis you what to do about il. Please follow this
manual's advice,
Waiting to do repairs Can be castly-aod even
dangerous. So please get to know your warning lights
and gages. They're a big help.
Vaur vehidE may also have a Driver irrlormation
Center (DIG) that works along with tlie warning lights
and gagas. See Dn'ver ¡nformñtk^n Cenfer fDfQ
on page 3-50.
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