2004 XC70 (7th. out of 8 Volvos) Drove through heavy rainstorm. Got CEL. Sticky wastegate solenoid. Next got Low Beam failure message. Replaced fuse. Lows are good. Noticed than when going to High Beams, Low Beams would rotate up, but no High Beams. Replaced one High Beam bulb. No go. Checked all fu...