Pontiac 2004 Grand Prix - Manual (Page 339)

5. Turn the vertical aiming screw until the headlamp
beam is aimed to the horizontal tape line. The top
edge of the cut-off should be positioned at the
bottom edge of the horizontal tape line.
6. Repeat steps 4 and 5 for the opposite headlamp.
Bulb Replacement
For the proper type of replacement bulb, see
Replacement Bulbs on page 5-66 .
For any bulb changing procedure not listed in this
section, contact your dealer.
Halogen Bulbs
{ CAUTION:
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.
5-59