1. Hloov lub teeb dub kom sai li sai tau, thiab xyuas qhov xwm txheej ntawm lub teeb pos huab thiab lub teeb nres. Nws yog ib qho yooj yim rau pos huab thiab Frost nyob rau hauv lub caij ntuj no, thiab visibility yog tsawg. Txawm hais tias lub teeb pos huab thiab siab - theem nres teeb ua haujlwm ib txwm kuj yog qhov kev lees paub ntawm kev tsav tsheb nyab xeeb thaum lub caij ntuj no.
2. If the destination of self driving tour is mostly frozen area, it's best to do a "beauty" for the whole body of the car nearby. Waxing in early winter is a good way to maintain car paint. In addition, the waxed car body is not easy to get wet, and the phenomenon of condensation and ice will not easily appear in the low-temperature area in winter.
3. When driving to Hunan or further north, we should also pay attention to the problem of glass water. Although the glass cleaning agent will be significantly reduced in winter, it can not be ignored. Some people use clean water and washing water instead in other seasons with large consumption, but those substitutes often freeze in winter, so they can't be used in winter, In the environment below zero degrees Celsius in winter, the antifreeze winter glass water should be replaced, or more simply, adding an appropriate proportion of alcohol into the glass water can achieve the purpose of reducing the freezing point and antifreeze.