2004 Volvo S60 "dstc mean cars" Questions

...S60 the yellow triangel comes on with the message anti skid service required. The manual says STC/DSTC system fault. The car wont start any ideas what does the yellow triangle means for volvo

mean Low tire pressure Risk for slippery conditions If the warning light comes on and stays on, this indicates that traction with the road surface is reduced. Drive with caution. If this light flashes

why does the dstc light stays on the dashboard? The DSTC system by Volvo means Dynamic Stability & Traction Control, and is the equivalent of the ESP system (means the Electronic Stability Program