will not start

2001 New Beelte 2.0 It's been really cold here for the last month. We got some bad weather several days ago and my wife didn't get out. So the car sat for 2 full days without being started in 8° temperatures. Antifreeze is fine. The temps have been up to 40° since then, so things had a chance...

My daughters 2000 beetle has had the several lights coming off and on and now it want start. The blue coolant light comes on then changes to the red flashing coolant light then turns blue again then goes off. Then 2 days ago the check engine light came on then went and back off. Now yesterday it...