So I drove our Terrain for 750+ miles and the cruise control set exactly as it should with the little thumbwheel. Some of the time I would just hold the wheel in the up position to increase speed and release it when I hit my desired cruise speed. Sometimes I would step it up or down in 1 mph increments. Most of the time I had it set for 70 mph. However, at one point I couldn't set the speed to 70 mph. The display would go from 69 to 71. I further increased the speed by stepping up at 1 mph increments with the thumbwheel and found another speed was missing. I think it was 74 mph.
I tried all sorts of ways to set 70 mph without success. Maybe an hour later I tried again and the 70 mph setting was once again available.
Any ideas what could be going on?
I tried all sorts of ways to set 70 mph without success. Maybe an hour later I tried again and the 70 mph setting was once again available.
Any ideas what could be going on?