GMC 1998 Savana Van Owner's Manual page 134

Daytime Running Lamps Indicator Light
You may have this light on
the instrument panel. It will
light whenever the DRL are
on. It is also
a reminder to
turn on your headlamps
when driving at night.
Check Gages Light
CHECK
GAGES
The CHECK GAGES light
will come on briefly when
you are starting the engine.
If the light comes on and stays on while you are driving,
check your coolant temperature and engine oil pressure
gages to see if they are in the warning zones.
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