GMC 2004 Envoy Automobile User Manual


 
Change Engine Oil Light
When this light comes on, it means that service is
required for your vehicle. See Scheduled Maintenance
on page 6-4 and Engine Oil on page 5-16 for more
information.
Once the engine oil has been changed, the change
engine oil light must be reset. Until it is reset, the light
will be displayed when the engine is on.
Security Light
This light will come on briefly when you turn the key
toward START. The light will stay on until the engine
starts.
If the light flashes, the Passlock
®
system has entered a
tamper mode. If the vehicle fails to start, see Passlock
®
on page 2-19.
If the light comes on continuously while driving and
stays on, there may be a problem with the Passlock
®
system. Your vehicle will not be protected by Passlock
®
,
and you should see your dealer.
Also, see Content Theft-Deterrent on page 2-17 for
additional information regarding the SECURITY light.
United States
Canada United States Canada
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