2011 Cadillac DTS Owner's Manual - Page 348

Bulb Replacement It is recommended that all bulbs be replaced by your dealer. 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. Here is how to remove the wiper blade: 1. Turn the engine off. 2. Lift the windshield wiper arm and blade away from the windshield. High Intensity Discharge (HID) Lighting { WARNING: The low beam high intensity discharge lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. Have your dealer or a qualified technician service them. The vehicle may have HID headlamps. After an HID headlamp bulb has been replaced, you may notice that the beam is a slightly different shade than it was originally. This is normal. 3. Pull the clip up from the blade connecting point and pull the blade assembly down toward the windshield to remove it from the wiper arm. 6-46