oil GMC YUKON DENALI 2007 User Guide

ENGINE HOT A/C (Air Conditioning)
TURNED OFF
This message will display when the engine coolant
becomes hotter than the normal operating
temperature. SeeEngine Coolant Temperature
Gage on page 236. To avoid added strain on
a hot engine, the air conditioning compressor
automatically turns off. When the coolant
temperature returns to normal, the air conditioning
compressor will turn back on. You can continue
to drive your vehicle.
If this message continues to appear, have the
system repaired by your dealer as soon as
possible to avoid damage to your engine.
ENGINE OIL LOW ADD OIL
If your vehicle has an oil level sensor and the oil
level in the vehicle is low, this message will
display. Check the oil level and correct it as
necessary. You may need to let the vehicle cool
or warm up and cycle the ignition to be sure
this message will clear.
This message will clear itself after 10 seconds,
until the next ignition cycle. SeeEngine Oil
on page 432for additional information.
ENGINE OVERHEATED IDLE ENGINE
Notice:If you drive your vehicle while the
engine is overheating, severe engine damage
may occur. If an overheat warning appears
on the instrument panel cluster and/or
DIC, stop the vehicle as soon as possible.
SeeEngine Overheating on page 448for
more information.
This message will display when the engine
coolant temperature is too hot. Stop and allow
the vehicle to idle until it cools down. SeeEngine
Coolant Temperature Gage on page 236.
SeeOverheated Engine Protection Operating
Mode on page 450for information on driving to a
safe place in an emergency.
ENGINE OVERHEATED STOP ENGINE
Notice:If you drive your vehicle while the
engine is overheating, severe engine damage
may occur. If an overheat warning appears
on the instrument panel cluster and/or
DIC, stop the vehicle as soon as possible.
SeeEngine Overheating on page 448for
more information.
254

OIL PRESSURE LOW STOP ENGINE
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. See
Engine Oil on page 432for more information.
If low oil pressure levels occur, this message
will display. 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 dealer. SeeEngine Oil on
page 432.
PARK ASSIST OFF
After the vehicle has been started, this message
will display to remind the driver that the Ultrasonic
Rear Parking Assist (URPA) system has been
turned off. Press the set/reset button or the
trip odometer reset stem to acknowledge this
message and clear it from the DIC display. To turn
the URPA system back on, seeUltrasonic Rear
Parking Assist (URPA) on page 208.
PASSENGER DOOR OPEN
If the passenger’s door is not fully closed and the
vehicle is in a drive gear, this message will
display and a chime will sound. Stop and turn off
the vehicle, check the door for obstructions,
and close the door again. Check to see if the
message still appears on the DIC.
REAR ACCESS OPEN
If the liftgate or liftglass is open while the ignition
is in RUN, this message will display and a
chime will sound. Turn off the vehicle and check
the liftgate and liftglass. Restart the vehicle
and check for the message on the DIC display.
REMOTE KEY LEARNING ACTIVE
This message will display while you are matching
a remote keyless entry transmitter to your
vehicle. See “Matching Transmitter(s) to Your
Vehicle” underRemote Keyless Entry System
Operation on page 116and “DIC Operation and
Displays (Using DIC Buttons)” earlier in this
section for more information.
256

When a CD is inserted, the CD symbol will appear
on the CD. As each new track starts to play, the
track number will appear on the display.
The CD player can play the smaller 3 inch (8 cm)
single CDs with an adapter ring. Full-size CDs
and the smaller CDs are loaded in the same
manner.
If playing a CD-R, the sound quality may be
reduced due to CD-R quality, the method of
recording, the quality of the music that has been
recorded, and the way the CD-R has been
handled. There may be an increase in skipping,
difficulty in nding tracks, and/or difficulty in loading
and ejecting. If these problems occur, check the
bottom surface of the CD. If the surface of the
CD is damaged, such as cracked, broken,
or scratched, the CD will not play properly. If the
surface of the CD is soiled, seeCare of Your CDs
and DVDs on page 338for more information.
If there is no apparent damage, try a known
good CD.
Do not add any label to a CD, it could get caught
in the CD player. If a CD is recorded on a
personal computer and a description label is
needed, try labeling the top of the recorded CD
with a marking pen instead.Notice:If you add any label to a CD, insert
more than one CD into the slot at a time, or
attempt to play scratched or damaged CDs, you
could damage the CD player. When using the
CD player, use only CDs in good condition
without any label, load one CD at a time, and
keep the CD player and the loading slot free of
foreign materials, liquids, and debris.
If an error appears on the display, see “CD
Messages” later in this section.
ZEJECT:Press the CD eject button to eject
CD(s). To eject the CD that is currently playing,
press and release this button. You will hear a beep
and Ejecting Disc will be displayed. Once the disc is
ejected, Remove Disc will appear on display. The
CD can be removed. If the CD is not removed, after
several seconds, the CD will be automatically
pulled back into the player and begin playing.
For multiple discs, press and hold the eject button
for two seconds to eject all discs.
f(Tune):Turn this knob to select tracks on the
CD currently playing.
284

File System and Naming
The song name that will be displayed will be the
song name that is contained in the ID3 tag. If
the song name is not present in the ID3 tag, then
the radio display will be blank following the
track indicator.
Preprogrammed Playlists
You can access preprogrammed playlists that
were created using WinAmp™, MusicMatch™,
or Real Jukebox™ software, however, you will not
have playlist editing capability using the radio.
These playlists will be treated as special folders
containing compressed audio song les.
Playing an MP3
Wait for the message to insert a disc, label side
up. The player will pull it in, and the CD-R should
begin playing.
If you turn off the ignition or radio with a CD-R in
the player it will stay in the player. When you
turn on the ignition or radio, the CD-R will start to
play where it stopped, if it was the last selected
audio source.As each new track starts to play, the track number
and song title will appear on the display.
The CD player can play the smaller 3 inch (8 cm)
single CD-Rs with an adapter ring. Full-size
CD-Rs and the smaller CD-Rs are loaded in the
same manner.
If playing a CD-R, the sound quality may be
reduced due to CD-R quality, the method of
recording, the quality of the music that has been
recorded, and the way the CD-R has been
handled. There may be an increase in skipping,
difficulty in nding tracks, and/or difficulty in loading
and ejecting. If these problems occur, check the
bottom surface of the CD. If the surface of the
CD is damaged, such as cracked, broken,
or scratched, the CD will not play properly. If the
surface of the CD is soiled, seeCare of Your CDs
and DVDs on page 338for more information.
If there is no apparent damage, try a known
good CD.
289

The CD player can play the smaller 3 inch (8 cm)
single CDs with an adapter ring. Full-size CDs and
the smaller CDs are loaded in the same manner.
If playing a CD-R, the sound quality may be
reduced due to CD-R quality, the method of
recording, the quality of the music that has been
recorded, and the way the CD-R has been
handled. There may be an increase in skipping,
difficulty in nding tracks, and/or difficulty in loading
and ejecting. If these problems occur, check the
bottom surface of the CD. If the surface of the
CD is damaged, such as cracked, broken,
or scratched, the CD will not play properly. If the
surface of the CD is soiled, seeCare of Your CDs
and DVDs on page 338for more information.
If there is no apparent damage, try a known
good CD.
Notice:If you add any label to a CD, insert
more than one CD into the slot at a time, or
attempt to play scratched or damaged CDs, you
could damage the CD player. When using the
CD player, use only CDs in good condition
without any label, load one CD at a time, and
keep the CD player and the loading slot free of
foreign materials, liquids, and debris.Do not add any label to a CD, it could get caught
in the CD player. If a CD is recorded on a
personal computer and a description label is
needed, try labeling the top of the recorded CD
with a soft marker instead.
If an error appears on the display, see “CD
Messages” later in this section.
ZCD (Eject):Press and release the CD eject
button to eject the CD that is currently playing
in the bottom slot. You will hear a beep and
Ejecting Disc will be displayed. Once the disc is
ejected, Remove Disc will appear on display. The
CD can be removed. If the CD is not removed,
after several seconds, the CD will be automatically
pulled back into the player.
If loading and reading of a CD cannot be
completed, such as unknown format, etc., and the
disc fails to eject, press and hold the DVD eject
button for more than ve seconds to force the disc
to eject.
301

Playing an MP3 (In Either the DVD or
CD Slot)
Insert a CD-R partway into either the top or
bottom slot, label side up. The player will pull it in,
and the CD-R should begin playing.
Depending on the format of the disc, a softkey
menu will appear and allow navigation of the disc.
The menu will read left to right as RDM
(Randomize song play order), a Folder icon with
left and right arrows (to move up or down
through available folders), a PL tag if the disc has
a Playlist available, and a Music Navigator tag.
If a Playlist tag is shown, toggling this key brings
up a Folder softkey only or the menu as
previously described.
If you turn off the ignition or radio with a CD-R in
the player it will stay in the player. When you
turn on the ignition or radio, the CD-R will start to
play where it stopped, if it was the last selected
audio source.As each new track starts to play, the track number
and song title will appear on the display.
The CD player can play the smaller 3 inch (8 cm)
single CD-Rs with an adapter ring. Full-size
CD-Rs and the smaller CD-Rs are loaded in the
same manner.
If playing a CD-R, the sound quality may be
reduced due to CD-R quality, the method of
recording, the quality of the music that has been
recorded, and the way the CD-R has been
handled. There may be an increase in skipping,
difficulty in nding tracks, and/or difficulty in loading
and ejecting. If these problems occur, check the
bottom surface of the CD. If the surface of the
CD is damaged, such as cracked, broken,
or scratched, the CD will not play properly. If the
surface of the CD is soiled, seeCare of Your CDs
and DVDs on page 338for more information.
307

Care of Your CDs and DVDs
Handle CDs carefully. Store them in their original
cases or other protective cases and away from
direct sunlight and dust. The CD player scans the
bottom surface of the disc. If the surface of a
CD is damaged, such as cracked, broken,
or scratched, the CD will not play properly or not
at all. If the surface of a CD is soiled, take a
soft, lint free cloth or dampen a clean, soft cloth in
a mild, neutral detergent solution mixed with
water, and clean it. Make sure the wiping process
starts from the center to the edge.
Do not touch the bottom side of a CD while
handling it; this could damage the surface. Pick up
CDs by grasping the outer edges or the edge of
the hole and the outer edge.
Care of the CD and DVD Player
The use of CD lens cleaners for CDs is not
advised, due to the risk of contaminating the lens
of the CD optics with lubricants internal to the
CD mechanism.
Rear Side Window Antenna
Your AM-FM antenna is located in the passenger
rear side window. Be sure that the inside
surfaces of the rear side window is not scratched
and that the lines on the glass are not damaged.
If the inside surfaces are damaged, they could
interfere with radio reception.
Notice:Using a razor blade or sharp object to
clear the inside of the rear side windows
may affect radio reception or damage the
antenna. Repairs would not be covered by your
warranty. Do not clear the inside of the rear
side windows with sharp objects.
338

Just before you leave the lane, glance quickly
over your shoulder to make sure there is not
another vehicle in your blind spot.
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 advance. If you miss your
exit, do not, under any circumstances, stop and
back up. Drive on to the next exit.
The exit ramp can be curved, sometimes quite
sharply. The exit speed is usually posted.
Reduce your speed according to your
speedometer, not to your sense of motion. After
driving for any distance at higher speeds, you may
tend to think you are going slower than you
actually are.Before Leaving on a Long Trip
Make sure you are ready. Try to be well rested.
If you must start when you are not fresh — such as
after a day’s work — do not plan to make too
many miles that rst part of the journey. Wear
comfortable clothing and shoes you can easily
drive in.
Is your vehicle ready for a long trip? If you keep it
serviced and maintained, it is ready to go. If it
needs service, have it done before starting out.
Of course, you will nd experienced and able
service experts in GM dealerships all across North
America. They will be ready and willing to help
if you need it.
Here are some things you can check before a trip:
Windshield Washer Fluid:Is the reservoir
full? Are all windows clean inside and outside?
Wiper Blades:Are they in good shape?
Fuel, Engine Oil, Other Fluids:Have you
checked all levels?
Lamps:Are they all working? Are the lenses
clean?
382

Turn Signals When Towing a Trailer
The arrows on your instrument panel will
ash whenever you signal a turn or lane change.
Properly hooked up, the trailer lamps will also
ash, telling other drivers you’re about to
turn, change lanes or stop.
When towing a trailer, the arrows on your
instrument panel will ash for turns even if the
bulbs on the trailer are burned out. Thus, you may
think drivers behind you are seeing your signal
when they are not. It’s important to check
occasionally to be sure the trailer bulbs are still
working.
Driving On Grades
Reduce speed and shift to a lower gearbefore
you start down a long or steep downgrade. If you
don’t shift down, you might have to use your
brakes so much that they would get hot and no
longer work well.You can tow in DRIVE (D). You may want to shift
the transmission to THIRD (3) or, if necessary,
a lower gear selection if the transmission shifts
too often (e.g., under heavy loads and/or hilly
conditions).
You may also want to activate the tow/haul mode
if the transmission shifts too often. See “Tow/Haul
Mode” underTowing a Trailer on page 400.
When towing at high altitude on steep uphill
grades, consider the following: Engine coolant at
or near sea level will boil at a lower temperature
than at higher altitudes. If you turn your engine
off immediately after towing at high altitude
on steep uphill grades, your vehicle may show
signs similar to engine overheating. To avoid this,
let the engine run while parked (preferably on
level ground) with the automatic transmission
in PARK (P) for a few minutes before turning the
engine off. If you do get the overheat warning,
seeEngine Overheating on page 448.
411

When You Are Ready to Leave After
Parking on a Hill
1. Apply your regular brakes and hold the pedal
down while you:
start your engine,
shift into a gear, and
release the parking brake.
2. Let up on the brake pedal.
3. Drive slowly until the trailer is clear of the
chocks.
4. Stop and have someone pick up and store the
chocks.
Maintenance When Trailer Towing
Your vehicle will need service more often when
you’re pulling a trailer. See the Maintenance
Schedule for more on this. Things that are
especially important in trailer operation are
automatic transmission uid (don’t overll), engine
oil, axle lubricant, belts, cooling system and
brake system. Each of these is covered in this
manual, and the Index will help you nd them
quickly. If you’re trailering, it’s a good idea
to review these sections before you start your trip.
Check periodically to see that all hitch nuts and
bolts are tight.
413