Toyota Tundra Service Manual > Seat Heater System: System Description
SYSTEM DESCRIPTION 1. GENERAL (a) By operating the seat heater switch, which is located in the air conditioning control assembly, the temperature is controlled to 3 settings. LOWEST: 32.5°C (90.5°F) MID: 44.5°C (112.1°F) HIGH: 58.25°C (136.85°F) (b) Whether the seat heater is on or off can be ...
