2005 GMC ENVOY XL low oil pressure

Oil Pressure Gage........................................3-44
Change Engine Oil Light................................3-45
Security Light...............................................3-45
Cruise Control Light......................................3-46
Reduced Engine Power Light.........................3-46
Highbeam On Light.......................................3-46
Service Four-Wheel Drive
Warning Light...........................................3-47
Check Gages Warning Light...........................3-47
Gate Ajar Light.............................................3-47
Fuel Gage...................................................3-48
Low Fuel Warning Light.................................3-48
Check Gas Cap Light....................................3-48
Driver Information Center (DIC).......................3-49
DIC Operation and Displays...........................3-50
DIC Warnings and Messages.........................3-53
DIC Vehicle Customization.............................3-56Audio System(s).............................................3-62
Setting the Time...........................................3-62
Radio with CD (Base Level)...........................3-63
Radio with CD (MP3)....................................3-73
Radio with Cassette and CD..........................3-87
Radio with Six-Disc CD................................3-100
Navigation/Radio System..............................3-113
Rear Seat Entertainment System...................3-113
Rear Seat Audio (RSA)................................3-124
Theft-Deterrent Feature................................3-125
Audio Steering Wheel Controls......................3-126
Radio Reception.........................................3-127
Care of the Cassette Tape Player.................3-127
Care of Your CDs and DVDs........................3-128
Care of the CD and DVD Player...................3-128
Fixed Mast Antenna....................................3-129
XM™ Satellite Radio Antenna System............3-129
Chime Level Adjustment...............................3-129
Section 3 Instrument Panel
3-2

Oil Pressure Gage
The oil pressure gage shows the engine oil pressure
in psi (pounds per square inch) when the engine
is running. Canadian vehicles indicate pressure in
kPa (kilopascals).
{CAUTION:
Do not keep driving if the oil pressure is low.
If you do, your engine can become so hot that
it catches re. You or others could be burned.
Check your oil as soon as possible and have
your vehicle serviced.
Notice:Lack of proper engine oil maintenance
may damage the engine. The repairs would not
be covered by your warranty. Always follow
the maintenance schedule in this manual for
changing engine oil.
Oil pressure may vary with engine speed, outside
temperature and oil viscosity, but readings above the
low pressure zone indicate the normal operating range.
A reading in the low pressure zone may be caused
by a dangerously low oil level or other problems causing
low oil pressure. United States
Canada
3-44

OIL PRESSURE LOW/STOP ENGINE
If low oil pressure levels occur, this message will
be displayed on the DIC. Stop the vehicle as soon as
safely possible and do not operate it until the cause
of the low oil pressure has been corrected. Check your
oil as soon as possible and have your vehicle serviced
by your GM dealer. SeeEngine Oil on page 5-15.
Notice:If you drive your vehicle while the engine
oil pressure is low, severe engine damage may
occur. If a low oil pressure warning appears on the
Driver Information Center (DIC), stop the vehicle
as soon as possible. Do not drive the vehicle until
the cause of the low oil pressure is corrected.
SeeEngine Oil on page 5-15for more information.
PASSENGER DOOR AJAR
If the passenger’s 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, and close the door again. Check to see if
the message still appears on the DIC. Press the select
button to acknowledge this message and clear it
from the DIC display.
REAR ACCESS OPEN
If the liftgate or liftglass is open while the ignition is
in RUN, this message will appear on the DIC and you
will hear a chime. Turn off the vehicle and check
the liftgate and liftglass. SeeLiftgate/Liftglass on
page 2-13. Restart the vehicle and check for the
message on the DIC display. Press the select button
to acknowledge this message and clear it from the
DIC display.
RIGHT REAR DOOR AJAR
If the passenger’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, and close the door again. Check
to see if the message still appears on the DIC. Press
the select button to acknowledge this message and clear
it from the DIC display.
SERVICE AIR BAG
If there is a problem with the airbag system this
message will be displayed on the DIC. Have your
GM dealer inspect the system for problems. SeeAirbag
Readiness Light on page 3-35andAirbag System on
page 1-52for more information. Press the select button
to acknowledge this message and clear it from the
DIC display.
3-55

A. Engine Coolant Recovery Tank. SeeCooling System
on page 5-28.
B. Engine Air Cleaner/Filter. SeeEngine Air
Cleaner/Filter on page 5-19.
C. Windshield Washer Fluid Reservoir. See “Adding
Washer Fluid” underWindshield Washer Fluid
on page 5-34.
D. Engine Oil Dipstick. See “Checking Engine Oil”
underEngine Oil on page 5-15.
E. Automatic Transmission Fluid Dipstick. See
“Checking the Fluid Level” underAutomatic
Transmission Fluid on page 5-21.
F. Engine Oil Fill Cap. See “When to Add Engine Oil”
underEngine Oil on page 5-15.
G. Radiator Pressure Cap. SeeRadiator Pressure Cap
on page 5-26.
H. Remote Negative (−) Terminal (Marked GND).
SeeJump Starting on page 5-39.
I. Power Steering Fluid Reservoir. SeePower Steering
Fluid on page 5-34.
J. Brake Master Cylinder Reservoir. See “Brake Fluid”
underBrakes on page 5-35.
K. Engine Compartment Fuse Block. SeeEngine
Compartment Fuse Block on page 5-92.
L. Battery. SeeBattery on page 5-38.Engine Oil
Checking Engine Oil
It is a good idea to check your engine oil every time you
get fuel. In order to get an accurate reading, the oil
must be warm and the vehicle must be on level ground.
The engine oil dipstick handle is a yellow loop. See
Engine Compartment Overview on page 5-12for
the location of the engine oil dipstick.
1. Turn off the engine and give the oil several minutes
to drain back into the oil pan. If you do not do this,
the oil dipstick might not show the actual level.
2. Pull out the dipstick and clean it with a paper towel
or cloth, then push it back in all the way. Remove it
again, keeping the tip down, and check the level.
5-15

Do not clean your vehicle using the following cleaners
or techniques:
Never use a knife or any other sharp object to
remove a soil from any interior surface.
Never use a stiff brush. It can cause damage to
your vehicle’s interior surfaces.
Never apply heavy pressure or rub aggressively
with a cleaning cloth. Use of heavy pressure
can damage your interior and does not improve
the effectiveness of soil removal.
Use only mild, neutral-pH soaps. Avoid laundry
detergents or dishwashing soaps with degreasers.
Using too much soap will leave a residue that
leaves streaks and attracts dirt. For liquid cleaners,
about 20 drops per gallon (3.78 L) of water is a
good guide.
Do not heavily saturate your upholstery while
cleaning.
Damage to your vehicle’s interior may result from
the use of many organic solvents such as naptha,
alcohol, etc.
Fabric/Carpet
Use a vacuum cleaner with a soft brush attachment
frequently to remove dust and loose dirt. A canister
vacuum with a beater bar in the nozzle may only
be used on oor carpet and carpeted oor mats. For
soils, always try to remove them rst with plain water or
club soda. Before cleaning, gently remove as much
of the soil as possible using one of the following
techniques:
For liquids: gently blot the remaining soil with a
paper towel. Allow the soil to absorb into the
paper towel until no more can be removed.
For solid dry soils: remove as much as possible
and then vacuum.
To clean, use the following instructions:
1. Saturate a lint-free, clean white cloth with water or
club soda.
2. Wring the cloth to remove excess moisture.
3. Start on the outside edge of the soil and gently rub
toward the center. Continue cleaning, using a clean
area of the cloth each time it becomes soiled.
4. Continue to gently rub the soiled area until the
cleaning cloth remains clean.
5. If the soil is not completely removed, use a mild
soap solution and repeat the cleaning process
that was used with plain water.
5-83

G
Gage
Check Gages Warning Light..........................3-47
Engine Coolant Temperature.........................3-40
Fuel..........................................................3-48
Oil Pressure...............................................3-44
Speedometer..............................................3-33
Tachometer.................................................3-33
Voltmeter Gage...........................................3-38
Garage Door Opener.......................................2-49
Gasoline
Octane........................................................ 5-5
Specications............................................... 5-5
Gate Ajar Light...............................................3-47
Glove Box.....................................................2-53
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-9
Headlamps....................................................3-14
Automatic Headlamp System.........................3-16
Bulb Replacement.......................................5-45
Daytime Running Lamps...............................3-15
Electrical System.........................................5-91
Flash-to-Pass............................................... 3-8Headlamps (cont.)
Halogen Bulbs............................................5-45
Headlamps, Front Turn Signal, Sidemarker,
and Parking Lamps..................................5-46
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-15
Washer......................................................3-11
Heated Seats................................................... 1-6
Heater...........................................................3-20
Heater...........................................................3-23
Highbeam On Light.........................................3-46
Highway Hypnosis...........................................4-35
Hill and Mountain Roads..................................4-36
HomeLink
®Wireless Control System.................2-49
HomeLink®Wireless Control System
Operation...................................................2-50
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-18
I
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-34
Ination -- Tire Pressure..................................5-56
6