GMC 2003 Savana - Manual (Page 155)

Low Coolant Warning Light
Unfred Slates
This message is displayed lA/hen the cooling system is
low on cooiaol.
The engine may oveitieat, See Engfr^e Coclani on
fisgs S-24 and have your vehicle serviced as soon as
you can.
Malfunction Indicator Lamp
Check Engine Light
Your vehicle is equipped
with a compuief which
monitors pperallgn gf the
fuet, ignition and emission
control systems.
This system Is called OBD II (On-Board
Diagnostics-Second Generation) and is inTancied to
assure that emlssians are at acceptable levels lor the
lile of the vehicle, helping to produce a cleaner
environment. The chech engine light comes on to
indicate that there Is a problem and service is required,
Malíuncüons often will be ledicated by ihe system
betone any probiem is apparent. This may prevent more
serious damage lo your vehicle This system Is also
designed to assist your service lechnidan in correcily
diagnosing any malfunction.
Notice: If you keep driving your vehicle with this
light on, after a while, your emission controls
may not work as well, your fuet economy may not
he as good and your engine rnay not run as
smoothly. This could lead to costly repairs that may
not be covered by your warranty.
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