Service four-wheel drive warning light, Service four-wheel drive warning light -47 – GMC 2003 Envoy User Manual
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Service Four-Wheel Drive Warning
Light
Check Gages Warning Light
Canada
This Ughi should come on briefly wtien you turn on I he
¡aniTion, as a check to show you il is working.
Thg SERVICE 4WD lighi comes nn lo indicale lhal
(here may be a problem wilh the drive system and
service is required. MaKunclions can Ьв indicated by the
syslem before any problem
is
apparend, which may
prevent serious damage to the vehicle. This system is
also destgned lo essisi your service lechnic.lan in
correclly diagnosing a malfunction
United States
The CHECK GAGES light will come on brietly when ypu
are starting Ihg engine.
If the light comes on and stays on while you are driving,
check your coolant romps ralu re and engine oil
pressure gages lo see it they are in tho warning zones.
347