车辆上的车牌灯就是为此，点亮了车辆背面的区域，以便人们可以看到车牌。在大多数州，违法的是，不要在配备工厂灯的车辆上照亮车牌。一些州甚至需要将灯添加到工厂不带来的车辆中。购买good quality license plate lightwill reduce the number of times you need to replace it in the future.
通过卸下镜头盖以进入灯泡或从汽车内部访问灯泡插座来更换车牌灯泡。后者通常会在行李箱区域使用接入点。这两种方法都将在下面介绍。
方法1 of 2：用镜头盖更换车牌灯泡
Materials needed
- 更换灯泡
- 螺丝刀集
- Torx screwdrivers (on some models)
Step 1: Remove the license plate light lens cover。卸下固定车牌灯光镜头盖的硬件。小心地卸下镜头盖。
步骤2：从插座上卸下灯泡。小心地伸手去拿旧的灯泡，注意不要打破玻璃杯。
Step 3: Compare the replacement bulb to the one you removed。It should be the same size and have the same type of contacts.
Step 4: Install the replacement bulb。Place the new bulb into the bulb socket.
Step 5: Turn the headlight switch on。Before reassembling the license plate light assembly, turn the headlight switch on to verify the function of the replacement bulb.
Step 6: Reinstall the license plate light lens cover。将车牌镜头盖放回原位，并重新安装在拆卸过程中删除的硬件。
Method 2 of 2: Replacing a license plate light bulb without a lens cover
Materials needed
- 更换灯泡
- 螺丝刀集
- Torx screwdrivers (on some models)
步骤1：打开行李箱。Open the trunk to gain access to the area behind the license plate.
步骤2：拉回修剪地毯。如上图所示，取下覆盖牌照板安装的金属面板的修剪地毯。这可能需要拆除推销销，修剪螺钉或树干周围的天气条。
Step 3: Remove the license plate light bulb socket。This usually requires the socket to be rotated one-fourth to one-half turn in a counterclockwise direction.
步骤4：卸下车牌灯泡。用手指轻轻捏住灯泡，注意不要压碎玻璃杯。然后轻轻拉出灯泡。
Step 5: Compare the replacement license plate light bulb to the one you removed。它应该是相同的物理尺寸，并且具有相同类型的连接基础。
步骤6：安装更换车牌灯泡。它应该以与另一个出来的方式相同。只需将新的带有轻压将其放置在插座中即可。
将灯泡安装在插座中后，将插座重新安装到外壳中，然后将所需的四分之一到一半的转弯旋转为拆下它，只有这次，您才会沿顺时针方向转动它。
步骤7：打开大灯开关。Before reassembling the license plate light assembly, turn the headlight switch on to verify the function of the replacement bulb.
步骤8：重新安装饰面地毯。放回被拆除的修剪地毯，以便进入车牌灯泡。确保重新安装任何需要删除的硬件才能到达地毯边缘
车牌灯可能不会直接视为安全功能，但是它可以帮助其他驾驶员在路上看到您。而且，如上所述，通常需要大多数市政当局工作的车牌灯。
如果您在任何时候都可以用手更换车辆上的车牌灯泡, contact a professional technician, such as those available at YourMechanic. YourMechanic has trained and certified repair professionals that can come to your home or workplace and perform the repairs for you.
