2010 GMC YUKON DENALI clock

7. Locate the vertical headlamp aiming screws, whichare under the hood near each headlamp assembly.
The adjustment screw can be turned with an
E8 Torx
®socket.
8. Turn the vertical aiming screw until the headlamp beam is aimed to the horizontal tape line. Turn it
clockwise or counterclockwise to raise or lower the
angle of the beam.
9. Make sure that the light from the headlamp is
positioned at the bottom edge of the horizontal
tape line. The lamp on the left (A) shows the
correct headlamp aim. The lamp on the right (B)
shows the incorrect headlamp aim.
10. Repeat Steps 7 through 9 for the opposite headlamp.
Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 6‑54.
For any bulb changing procedure not listed in this
section, contact your dealer/retailer.
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Halogen Bulbs
{WARNING:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.
Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
A. Stoplamp/Taillamp
B. Turn Signal/Taillamp
C. Back-up Lamp To replace one of these bulbs:
1. Remove the two
screws from the
taillamp assembly.
2. Remove the taillamp assembly.
3. Press the release tab, if equipped, and turn the socket counterclockwise to remove it from the
taillamp assembly.
4. Pull the old bulb straight out from the socket.
5. Press a new bulb into the socket, insert the socket into the taillamp assembly and turn the socket
clockwise into the taillamp assembly until it clicks.
6. Reinstall the taillamp assembly.
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License Plate Lamp
1. Remove the two screws holding each of thelicense plate lamps to the molding that is part of
the liftgate.
2. Twist and pull the license plate lamp forward through the molding opening. 3. Turn the bulb socket counterclockwise and pull the
bulb straight out of the socket.
4. Install the new bulb.
5. Reverse Steps 1 through 3 to reinstall the license plate lamp.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 7441
License Plate Lamp W5W
Rear Turn Signal Lamp, Taillamp, and
Stoplamp 7443
For replacement bulbs not listed here, contact your
dealer/retailer.
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2. Remove the wing nut (B) used to retain the toolbag by turning it counterclockwise.
3. Turn the knob (A) on the jack counterclockwise to release the jack and wheel blocks from the
bracket.
4. Remove the wheel blocks and the wheel block retainer by turning the wing nut (C)
counterclockwise.A. Jack
B. Wheel Blocks
C. Jack Handle D. Jack Handle Extensions
E. Wheel Wrench
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To access the spare tire:
A. Hoist Assembly
B. Hoist Shaft
C. Hoist Shaft Access Cover/Hole
D. Jack Handle Extensions
E. Wheel Wrench F. Hoist Cable G. Tire/Wheel Retainer
H. Spare Tire (Valve Stem Pointed Down)
I. Hoist Shaft Access Hole
J. Hoist End of Extension Tool
K. Spare Tire Lock 1. To reach the hoist shaft access cover (C), you will
first need to remove the hitch cover. Remove it by
turning the two fasteners located at the bottom of
the cover counterclockwise and then pull the cover
down and rotate towards you.
2. Remove the hoist shaft access cover (C) on the bumper to access the spare tire lock (K).
3. To remove the spare tire lock, insert the ignitionkey, turn it clockwise and then pull straight back.
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4. Assemble the two jack handle extensions (D) andwheel wrench (E) as shown.
5. Insert the open end ofthe extension (J)
through the hole in the
rear bumper (I) (hoist
shaft access hole).
Be sure the hoist end (J) of the extension (D)
connects to the hoist shaft (B). The ribbed square
end of the extension is used to lower the spare tire. 6. Turn the wheel wrench (E) counterclockwise to
lower the spare tire (H) to the ground. Continue to
turn the wheel wrench until the spare tire can be
pulled out from under the vehicle.
If the spare tire does not lower to the ground, the
secondary latch is engaged causing the tire not to
lower. See Secondary Latch System
on page 6‑91for more information.
7. Use the wheel wrench
hook that allows you to
pull the hoist cable
towards you, to assist
in reaching the
spare tire.
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Removing the Flat Tire and Installing
the Spare Tire
1. Do a safety check before proceeding.See Changing a Flat Tire on page 6‑80.
2. If the wheel has a center cap that covers the wheel
nuts, place the chiseled end of the wheel wrench in
the slot on the wheel and gently pry the cap out.
3. Use the wheel wrench to loosen all the wheel nuts.Turn the wheel wrench counterclockwise to loosen
the wheel nuts. Do not remove the wheel nuts yet.
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Front Position
Front Tire Flat: If the flat tire is on a front tire
of the vehicle, you will need to use the jack
handle (B) and only one jack handle extension (C).
Attach the wheel wrench (D) to the jack handle
extension (C). Attach the jack handle (B) to the
jack (A). Position the jack on the frame behind the
flat tire where the frame sections overlap (E).
Turn the wheel wrench (D) clockwise to raise the
vehicle. Raise the vehicle far enough off the
ground so there is enough room for the spare tire
to clear the ground.Rear Position
Rear Tire Flat: If the flat tire is on a rear tire of the
vehicle, you will need to use the jack handle (B)
and both jack handle extensions (C). Attach
the wheel wrench (D) to the jack handle
extensions (C). Attach the jack handle (B) to the
jack (A). Use the jacking pad (E) provided on the
rear axle. Turn the wheel wrench (D) clockwise to
raise the vehicle. Raise the vehicle far enough off
the ground so there is enough room for the spare
tire to clear the ground.
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