Page 305 of 422
8. Make sure that the light from the headlamp ispositioned 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.
9. Repeat Steps 6 through 8 for the opposite headlamp.
Bulb Replacement
For the proper type of replacement bulbs, see
Replacement Bulbs on page 6-47 .
For any bulb changing procedure not listed in this
section, contact your dealer/retailer.
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.
6-41
Page 306 of 422
Headlamps, Front Turn Signal,
Sidemarker, and Parking Lamps
A. Front Turn Signal/Parking Lamp
B. Sidemarker
C. Headlamp To replace one of these bulbs:
1. Open the hood. See Hood Release on page 6-11 .
2. Remove the two bolts from the headlamp assembly.
3. Remove the two fasteners from the fascia. Assistance may be needed for Steps 4 and 5.
4. Pull the front fascia back.
6-42
Page 307 of 422

5. Pull the headlamp assembly up at an angle andtowards the radiator to remove it.
6. Disconnect the bulb base from the wiring harness by lifting the locking tab.
7. Disconnect the wiring harness from the bulb socket.
8. Remove the retainer by turning it counterclockwise.
9. Turn the bulb socket for the headlamp, front turn signal, or parking lamp counterclockwise.
For the sidemarker bulb, use a tool to assist
in turning the bulb socket.
10. Pull the old bulb out of the socket.
11. Install a new bulb.
12. Reinstall the bulb assembly by reversing Steps 1 through 9.
When reinstalling the headlamp assembly, first
make sure that the wiring harness is in its original
position. If not, the headlamp assembly will not
fit correctly.
Align the two tabs on the bottom of the assembly
that fit into two slots in the headlamp assembly
bracket.Center High-Mounted Stoplamp
(CHMSL)
To replace a CHMSL bulb: 1. Open the trunk.
2. Press the tabs to release the bulb assembly.
3. Pull the bulb assembly down to access the bulbs.
4. Pull the old bulb straight out.
6-43
Page 311 of 422

6. Push and turn the license plate lamp away fromyou through the opening.
7. Reinstall the two screws holding the license plate lamp.
Replacement Bulbs
Exterior Lamps Bulb Number
Back-Up Lamps 921
Center High-Mounted
Stoplamp (CHMSL) 912
Front Parking/Turn Signal Lamps 3157KX
Halogen Headlamps,
High/Low-Beam 9007 LL
License Plate Lamp and
Sidemarker 194
Stoplamp, Taillamp and Turn
Signal Lamps 3057KX
For replacement bulbs not listed here, contact your
dealer/retailer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected for wear
or cracking. See Scheduled Maintenance on page 7-3
for more information on wiper blade inspection. Replacement blades come in different types and are
removed in different ways. For proper type and length,
see
Maintenance Replacement Parts on page 7-12 .
Here is how to remove the wiper blades:
1. Pull the windshield wiper arm away from the windshield.
2. Push the release lever and slide the wiper assembly toward the driver side of the vehicle.
3. Install a new blade by reversing Steps 1 and 2.
6-47
Page 333 of 422

Each new wheel should have the same load-carrying
capacity, diameter, width, offset, and be mounted
the same way as the one it replaces.
If you need to replace any of your wheels, wheel bolts,
wheel nuts, or Tire Pressure Monitor System (TPMS)
sensors, replace them only with new GM original
equipment parts. This way, you will be sure to have the
right wheel, wheel bolts, wheel nuts, and TPMS
sensors for your vehicle.
{WARNING:
Using the wrong replacement wheels, wheel bolts,
or wheel nuts on your vehicle can be dangerous. It
could affect the braking and handling of your
vehicle, make your tires lose air and make you
lose control. You could have a collision in which
you or others could be injured. Always use the
correct wheel, wheel bolts, and wheel nuts for
replacement.Notice:
The wrong wheel can also cause problems
with bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper height,
vehicle ground clearance, and tire or tire chain
clearance to the body and chassis.
See Changing a Flat Tire on page 6-80 for more
information.
Used Replacement Wheels
{WARNING:
Putting a used wheel on the vehicle is dangerous.
You cannot know how it has been used or how far
it has been driven. It could fail suddenly and
cause a crash. If you have to replace a wheel, use
a new GM original equipment wheel.
6-69
Page 366 of 422