A second hand car dealer will always look at the bodywork rather than the engine.

二手车销售商总是查看车身而不是引擎。

《柯林斯英汉双解大词典》

If some serious accident happened, do not uninstall or repair engine by yourself without manufacturer or dealer permission, contact with local dealer to deal with it.

当柴油机发生重大事故后如果未经厂家及经销商的允许，请您不要私自拆检或维修，应及时联络经销商进行处理。

youdao

OK, not that last one, but the program is certainly more differentiating and engaging than a check-engine light, or a postcard from your dealer.

FORBES: BTW. Bttry is LO! PLZ DNT 4get 2 chg 2day! :- ) THNX