Vehicle shown in this step: 2021 Chevrolet Tahoe Z71 5.3L V8
Source note on shared footage
We have a massive and growing video library, but we don't have everything...yet.
Car companies often use the same engines in different cars. They also slightly alter the styling and sell the same car by two different names (amongst other tricks to help offset development costs).
Our system selects the most applicable video for your car based, in part, on these characteristics. The video displayed may not look exactly like your car, but may be relevant enough for you to get a good idea how to do it.
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我们有一个庞大且不断增长的视频资料库，但还没有全部内容……
汽车制造商经常在不同车型中使用相同的发动机。 它们还略微调整了外观设计，并以两个不同的名称销售同一款车（以及其他一些技巧，以帮助抵消开发成本）。
我们的系统会根据这些特性，部分地选择最适合您车辆的视频。 视频中显示的内容可能与您的车辆外观不完全相同，但可能足够相关，让您了解如何操作。
Procedure notes
This video shows you how to replace a burnt out rear turn signal on your 2021 GMC Yukon XL. We recommend that you change both the driver and passenger side bulbs at the same time on your Yukon XL as they get dimmer over time and if one is out, then the other one is likely to burn out soon. If the turn signal (also known as a blinker or flasher) blinks rapidly or doesn't blink at all or lights up without blinking when it is turned on, this is your Yukon XL's way of telling you that the bulb is burnt out. Turn your hazard lights on and check the front of your Yukon XL and then the back, whichever side is not lighting up is the side with the burnt out bulb.When changing the turn signal bulb in your Yukon XL, be careful not to touch the glass portion of the bulb with your fingers as this will cause the bulb to burn out prematurely.
查看中文对照 · Chinese translation
本视频演示如何更换您 2021 GMC Yukon XL 车辆的烧坏的后转向灯。 我们建议您在维修您的 Yukon XL 时，同时更换驾驶员侧和乘客侧的灯泡，因为灯泡随时间会变暗，如果其中一个损坏，另一个也可能会很快烧坏。 如果转向灯（也称为闪烁灯或闪光灯）快速闪烁、完全不闪烁，或者在打开时灯亮但不闪烁，这是Yukon XL在告诉你灯泡已烧坏。 打开危险警示灯，先检查 Yukon XL 的前部，再检查后部；没有亮起的一侧就是灯泡烧坏的一侧。更换 Yukon XL 的转向灯灯泡时，注意不要用手指触碰灯泡的玻璃部分，否则会导致灯泡过早损坏。