2004 GMC ENVOY check engine light

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Page 165 of 474

GMC ENVOY 2004  Owners Manual Emissions Inspection and Maintenance
Programs
Some state/provincial and local governments have or
may begin programs to inspect the emission control
equipment on your vehicle. Failure to pass this
ins

Page 169 of 474

GMC ENVOY 2004  Owners Manual Service Four-Wheel Drive
Warning Light
This light should come on brie�y when you turn on the
ignition, as a check to show you it is working.
The SERVICE 4WD light comes on to indicate that
there may b

Page 184 of 474

GMC ENVOY 2004  Owners Manual LEFT REAR DOOR AJAR
If the driver’s side rear door is not fully closed this
message will appear on the display and you will hear a
chime. Stop and turn off the vehicle, check the door
for obstacles,

Page 248 of 474

GMC ENVOY 2004  Owners Manual Braking
Braking action involvesperception timeand
reaction time.
First, you have to decide to push on the brake pedal.
That isperception time.Then you have to bring up your
foot and do it. That isreac

Page 277 of 474

GMC ENVOY 2004  Owners Manual Once you are moving on the freeway, make certain you
allow a reasonable following distance. Expect to
move slightly slower at night.
When you want to leave the freeway, move to the proper
lane well in

Page 283 of 474

GMC ENVOY 2004  Owners Manual Put on extra clothing or wrap a blanket around you.
If you have no blankets or extra clothing, make
body insulators from newspapers, burlap bags, rags,
�oor mats — anything you can wrap around
your

Page 328 of 474

GMC ENVOY 2004  Owners Manual When to Change Engine Oil
(GM Oil Life System)
Your vehicle has a computer system that lets you know
when to change the engine oil and �lter. This is
based on engine revolutions and engine temperature

Page 330 of 474

GMC ENVOY 2004  Owners Manual How to Inspect
To inspect the air cleaner/�lter, remove the �lter from
the vehicle and lightly shake �lter to release loose dust
and dirt. If the �lter remains “caked” with dirt, a new
�lter is re
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