2011 Chevrolet Silverado 2500 HD Extended Cab Owner's Manual - Page 449

Vehicle Care 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. 10-43 Bulb Replacement For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑47. For any bulb‐changing procedure not listed in this section, contact your dealer. Headlamps Halogen Bulbs { WARNING 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. 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. A. Park/Turn Signal/ Sidemarker Lamp B. Low‐Beam Headlamp C. High‐Beam Headlamp 1. Open the hood. See Hood on page 10‑5 2. If you are replacing the bulb on the passenger side, remove the Engine Air Cleaner cover. See Engine Air Cleaner/Filter on page 10‑20 for more information.