1、进入微信找到【我的】→【小程序】。
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2、搜索框中输入“乘车码”，点击【刷码乘车】。
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3、点击【允许】，允许小程序获取你的地理位置。
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4、“勾选”阅读并同意乘车码使用协议，然后点击【立即开通】。
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5、手机号授权，点击【确认授权】，注：必须使用绑定的有手机号的微信才可以。
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6、开通免密码支付，解释说明：也就是当你乘坐公交车时刷乘车码，不需要输入支付密码即可自动扣取乘车费用。
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