Foton Tunland 2018 Problems

The most obvious warning light that features a thermometer icon along with what could be described as fumes is the low coolant warning light which is sometimes yellow or orange (as opposed to red). If that's the case, the `fumes' are actually representing the coolant (as little waves). The other warning light that commonly displays gas fumes is the light to tell you there's a problem with the vehicle's diesel particulate filter (DPF). This is also often a yellow or orange light.

Car-makers tend to save red warning lights for the more serious problems such as low oil pressure or high coolant temperature. Even so, a yellow or orange warning light should not be ignored as it can easily develop into a red-light situation pretty quickly.

It sounds simple, but have you checked the owner's manual for the vehicle? There's likely to be a chapter dealing with what warning lights represent what.