I bought a 2003 S60 AWD in November. The first night I drove it, and several time since, every light in the dashboard start blinking on and off, and all of the guage needles swing up and down. After about 3-5 minutes, all of the lights remain on and the needles stick at an arbitrary point until the vehicle has been turned off for a couple of minutes. When the car is restarted, it drives normally. This seems to happen on the highway, after I've been driving for about 45 min. to an hour. The dealship has suggested that it might be the computer in the dashboard. I'd appreciate hearing from anyone who may also have experienced this problem.