ETC充值缴费方法如下：
1、进入微信，打开“ETC助手”小程序
2、点击“ETC充值”
3、选择“鲁通卡”，点击打开
4、点击“已有充值设备，立即充值”就可以为ETC卡充值了。
什么是ETC
ETC是不停车电子收费系统，利用计算机联网技术与银行进行后台结算处理，从而达到车辆通过高速公路或桥梁收费站无需停车而能交纳高速公路或桥梁费用的目的。ETC充值主要分为预充值和圈存两步，其中预充值就是将款项预充值到后台ETC卡资金账户内，而圈存就是将充值到ETC卡账户内的款项圈存写入ETC卡内，此时ETC设备才会显示余额。
可以在支付宝上充值。具体操作方法为：1、在移动桌面上找到支付宝，点击打开。
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2、在打开的支付宝界面，点击更多选项。
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3、在更多界面中，选择城市服务。
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4、在跳跃城市服务界面中，单击所有者的选项。
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5、在跳转界面，点击ETC充值。
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6、然后填写相关信息和充值金额，点击下面的提交信息。
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