I started a thread on Oil Changes way back....
http://www.elementownersclub.com/forums/viewtopic.php?t=2200&highlight=
Click on the above link to take you to the thread. There you will find MANY opinions on this subject.
Personally, my salesman told me 10K, the service department acted surprised, I went in at 5K due to extreme/harsh driving conditions as explained in your owners manual.
Good Luck!
http://www.elementownersclub.com/forums/viewtopic.php?t=2200&highlight=
Click on the above link to take you to the thread. There you will find MANY opinions on this subject.
Personally, my salesman told me 10K, the service department acted surprised, I went in at 5K due to extreme/harsh driving conditions as explained in your owners manual.
Good Luck!