check out this info on urea (or DEF)

link: http://www.physorg.com/news145556132.html

 

所有跟帖： 

• 谢谢啊。学习了。要多久加一次呢？还要自己买来灌进去？听着挺麻烦。 --realblue-- ♀ (0 bytes) () 02/22/2011 postreply 07:08:03

• Replenish every 12K miles, just like adding wiper fluid -心字头上一把刀- ♂ (126 bytes) () 02/22/2011 postreply 14:39:35