求翻译：五、用户对车辆及其改装部分应进行日常保养、维护和常见故障的排除，使车辆保持良好的车况和专用功能得到正常的使用。是什么意思？

5, the user of the vehicle and its modification should be part of routine maintenance, maintenance and trouble shooting, the vehicle and the vehicle speed to maintain good use of special functions are normal.

5, users with the vehicle and its modified part should engage in routine maintenance, maintenance, and common fault of the exclusion, so that the vehicle maintain good status and exclusive functions are normal use.

Fifth, the user should carry on the current maintenance, the maintenance and the common breakdown elimination to the vehicles and the re-equipping part, makes the vehicles to maintain the good vehicle condition and the special-purpose function obtains the normal use.

Five, users on the vehicle and its modification should carry out routine maintenance, maintenance and common trouble shooting, keep vehicle in good condition and normal use of the proprietary features.