Why does the car's warning light suddenly come on in snowy weather?

[CaliMarie]

In snowy weather, the car's warning light suddenly comes on because the front wheels are slipping or the ABS speed sensor on the wheels is covered by contaminants such as mud or slush. If both the ABS and handbrake lights illuminate simultaneously: This indicates that the vehicle's braking system may have a serious malfunction. Under no circumstances should you continue driving. Immediately slow down, pull over to the side of the road, and contact a repair station for assistance. Front wheel slipping: In this case, pressing the brake pedal a few more times may turn off the ABS light. Alternatively, turn the key to the ignition position without starting the engine. At this point, all dashboard lights will illuminate (computer self-check), and after a few seconds, the self-check will complete, and the lights will turn off. Then, start the engine, and the ABS light may turn off.