What does DEF mean when it appears on Jiangling Motors?

[LeJulian]

DEF on Jiangling Motors refers to the indicator light for the vehicle's auxiliary water tank. When this light is on, it indicates that the auxiliary water tank is low on water. Adding water to the auxiliary tank immediately will resolve the issue. Below are the reasons why this warning light may illuminate: 1. The engine temperature is too high, triggering an alarm; 2. The water temperature sensor is damaged; 3. There is a lack of antifreeze. Additional information: 1. Models under the brand: Jiangling Motors' models include Jiangling Baodian, Jiangling Kaiyun, Jiangling Baowei, and Jiangling Transit. 2. Body dimensions: Taking the Jiangling Transit as an example, its body length, width, and height are 4615mm, 1974mm, and 2050mm, respectively. 3. Exterior design: The Jiangling Transit features a classic European and American short-nose business vehicle style, with a bold yet refined appearance.