2005 Buick LeSabre Owner's Manual - Page 288

7. Turn the vertical aiming screw (C) until the headlamp beam is aimed to the horizontal tape line. Bulb Replacement For the proper type of replacement bulbs, see Replacement Bulbs on page 5-53. For any bulb changing procedure not listed in this section, contact your dealer. Halogen Bulbs The top edge of the cut-off should be positioned at the bottom edge of the horizontal tape line. 8. Repeat the steps for the opposite headlamp. {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. 5-48