Once in a while check the transmission fluid level and condition.

偶尔检查自动变速器油的液面高度及其状况。

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See your car's owner manual on how often to change the transmission fluid.

看一下你的汽车的主人手册经常改变输送流体。

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Transmission fluid: with car on level ground start the engine and check the dipstick.

变速箱油：将车停于平地，启动发动机，查看量油尺。

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While your oil is changed, the sales associates will offer to change your air filter, perform a transmission fluid change and do a variety of other more profitable services in the hopes of increasing the profit margin.

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Neglecting coolant, brake, transmission and other fluid services.

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My Toyota dealer later informed me that only a dealer can tell how much fluid to refill the transmission with because only they have the special diagnostic equipment (laptop) to do that, and that the dipstick FULL reading isn't accurate.

WSJ: By JONATHAN WELSH