Cadillac Visibility Windshield Wiper/washer Switch/wiring

I have a 2002 cadillac deville, the air bag light is staying on and the dash says to service airbag every now and then it will shut off for a second then it will come back on. I had a tech 2 scanner hooked to it and when trying to read under sir s

talked to a caddilac tech he said if not in coolant or leaking make sure you check it after driving it 30miles check owners manual on hw to chk it properly i have been checking it cold which can give faulse readings even tho you can chk a trans co

when on other than very smooth road loud clunks and noise from rear suspension. Checked spare tire and made sure it was good and tight. I had a 2004 srx and never had this problem. Car only has 15,000 mileson it. Just bought it several months ago.

2010 SRX CADILLAC  HEAD LIGHTS FELL OUT OF ADJUSTMENT,NOT UNDER WARRANTY