Red coolant light on yaris

[Masked prinnie]

My yaris sedan 2008 after 10 min start to get hot and the temp red light on
I check the coolant but is full dunno if is the radiator or water pump because all is new.
Have to wait a week before go to Toyota for check.

How I fix it??

[RningOnFumes]

New Thermostat also? And check for air bubbles in the coolant.

El thermostat es nuevo tambien? y revise de coolant hose por la burbujas en de coolant.

[jambo101]

Dont try to fix it yourself if its still under warranty as the dealer may not cover the repair if he can say that the problem is there because you've been messing about with the cooling system.