Service the radiator and maintain antifreeze level; check tire tread or, if necessary, replace tires with all-weather or snow tires

检修散热器并且保持在防冻的水平。 检查轮胎的胎面并且在必要时将其更换成全天候的耐风雪的轮胎。

youdao

Maintenance should first check the tire pressure, wear, nut loose or fall off, remove the twins or tread on the inserts and nails and other sharp objects.

养护时首先应查看轮胎气压、磨损状况，螺母有无松动或掉落，除去双胎间或胎面上的嵌入物及铁钉等尖利杂物。

youdao