Kho cov iav tsheb yog ib kauj ruam tseem ceeb rau kev tsav tsheb nyab xeeb. Rau sab laug daim iav, siv lub qab ntug ua qhov taw qhia siv. Kho lub kaum sab xis kom lub ntuj thiab hauv av txhua tus nyob ib nrab ntawm daim iav. Tom qab ntawd kho lub kaum sab xis kom sab ntawm koj lub tsheb yuav siv li ib feem peb ntawm daim iav saib.
Kev hloov kho daim iav sab xis zoo ib yam li sab laug, tab sis lub ntuj yuav tsum nyob ib feem ntawm daim iav, thiab hauv av yuav tsum nyob peb lub hlis twg. Thaum kawg, rau lub hauv nruab nrab rearview daim iav, kho nws mus rau qhov sib npaug nrog lub rear cua ntsawj ntshab, tuav ib tug 1: 1 piv ntawm ntuj rau hauv av. Qhov no tso cai rau koj pom ob qho tib si hauv lub tsheb thiab tom qab nws zoo.
Nco ntsoov kho cov iav raws li koj qhov chaw zaum, tsis yog los ntawm leaning ntawm daim iav, kom muaj kev nyab xeeb ntawm kev tsav tsheb. Kev kho cov iav kom raug yog qhov tseem ceeb tsis yog rau koj tus kheej kev nyab xeeb xwb tab sis kuj rau kev nyab xeeb ntawm lwm tus neeg siv txoj kev, ua rau nws yog ib qho tseem ceeb ntawm kev nyab xeeb ntawm kev tsav tsheb.
