intermintent rear view mirror camera
 

2008/H-3. Factory installed rear view mirror with camera. It started a few weeks ago I put it in reverse & the camera does not slide out also the compass & Temp goes blank. The on-star buttons do work. I have check plug in back of mirror than yesterday I was on the express way & i notice the mirror compass & Temp. were off I then tried to engage the cruise control no cruise. drove another 30 minutes down the road & I see the mirror is working so I try the cruise control & it Works. Any sugestions?
Thanks
Jim