Welcome to AF.
Its a burnt out high beam in one of the headlights, change it and your SVS will most likley go away.
The DRL's use the high beams, if this doesnt solve it then you'll need a high quality scan tool to find the troubles.
Your window, it's probley coincidental, try wiggling the switch a few time.
If that doesn't help, remove the switch bezel and check the plug in , make sure its clean(these tend to get corrsion on the copper terminals) and pluged in all the way.
If that doesnt solve it check this out...
http://www.a1electric.com/grandam.htm