推荐回答（2个）
七档 双离合只离合器传动机构种就驾驶技巧
1）只有在PN两档时才可以发动车辆从P档摘出排挡杆必需踩住刹车N档启动使用当你车辆发动后就直接向前行驶时你可以先接通电源（打发动机）踩住刹车把档位拉到N再点火之后挂入D档直接前行这样可以避免在P档打火后需要经过R档使变速箱经过次反向冲击这就有点精益求精呵呵）另外作用就在行驶中突然熄火时可以在保证安全情况迅速将档位推至N档打火再启动发动机
2）般档位在ND手动模式间切换时用按换档按钮从P－RN－R挂档必需按换档钮而手动模式挂档都用按换档钮（排挡杆按钮也有错位排列排挡杆没有换档按钮如别克凯越等）
3）行驶中切可挂入N档滑行因为变速箱内需要润滑当行驶中把档位放在N面时油泵无法正常供油进行润滑会使变速箱内部件温度升造成彻底损另外速时空档滑行也非常危险虽然省点点油但却值冒这个险这方面介绍有我就再赘述速时滑行停车可以提前挂入N档倒没有什么影响
4）双离合车在行驶中切可推入P档除非你想要车在行驶方向变动时（前进改后退或者后退改前进）就从倒档挂入前进档或前进挂入倒档时定要等车辆停稳后再做操作
5）行驶结束停车时双离合车必须熄火挂入P档才能抽出钥匙人习惯停来直接推到P档再熄火拉手刹细心人会发现这样操作熄火后般车辆因路面平会前后挪动而这时P档变速箱有个咬合装置变速齿轮咬住这时挪动会对变速齿轮造成点冲击正确做法应该车进入停车位置后踩住刹车将排挡杆拉到N档拉起手刹松开脚刹然后熄火最后再将排挡杆推入P档当然这也属于对变速箱精益求精保护）
6）另外关于临时停车（如等红灯）时双离合到底该用N档还D档这个问题直有些争论其实并没有什么关系N或者D都没有错只根据自己习惯而已暂时停车踩住刹车挂在D对车子也没有损害因为变速箱内扭力转换器设有组附有单向离合器反应轮其作用放来自发动机曲轴扭力在发动机怠速它会转动只有待发动机转速升时它才会起作用所以踩住刹车等红灯也时没有关系挂到N拉手刹也无妨处可以降双离合过热烧毁可能性也可以让脚活动抓紧时间适当放松放松）可以套用个较硬性指标如果停车在半分钟以你就挂入N拉手刹吧如果停车时间那就踩刹车等就值注意这对般双离合车解释当你车辆有特殊要求时候你就能按照这个来按厂家提供说明书办事哦过最后还要奉劝各位双离合车车主变速箱个昂贵东西在使用前还仔细阅读说明书找该车型专业人员详细咨询使用中应该注意状况这样才能使用爱车 最后再总结句千万别空档滑行安全带档滑行放开油门会起到省油效果 或者切换到相应手动档模式
操作方法跟自动档车一样，只是变速器离合器的内部构造不一样，至于它怎么运作，那是电脑的事，你开还是照自动挡那么开！
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