Change Engine Oil Light; Security Light - GMC 2007 Envoy Denali Owner's Manual

Change Engine Oil Light

When this light comes on it means that an oil
change and other maintenance procedures
are required for your vehicle.
See Scheduled Maintenance on page 507 and
Engine Oil on page 394 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 stay on when the engine is on.
214
Your vehicle may
have a change
engine oil light.

Security Light

The light will stay on until the engine starts. If the
light flashes, the Passlock
a tamper mode. If the vehicle fails to start,
®
see Passlock on page 111.
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
your dealer.
Also, see Content Theft-Deterrent on page 110 for
additional information regarding the security light.
This light will come on
briefly when you turn
the key toward START.
®
system has entered
®
, and you should see