It's probably the heater core that's sprung a leak.
Check for a line leak to your heater core or a leak in the heater core it self. Usually it is under the dash on passinger side.
you got an antifreeze leak
It may be condensation from your air conditioner condenser. The drain tube may be plugged causing water to back up and leak from under the dash. A windshield leak may also cause your problem.
Most likely a leak in the heater core, should be on the passenger side under the dash.
caused by leaking heater core not radiator heater it is under the dash hard ot get to if the leak is not to big use radiator stop leak otherwise fix is going to be big bucks
defrost or a/c compartment under the dash
Radiator or hoses. Possible water pump
water pump
hater core is bad
An antifreeze leak.An antifreeze leak.
A leak.