Toyota Highlander Service Manual: Ignition system (2AZ-FE)

Ignition

...

On-vehicle inspection

NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold"means approximately -10 C (14 F) to 50 C (122 F). "Hot" means approximately 50 C (122 F) to 100 C ...

More about Toyota Highlander:

Heated steering wheel/seat heaters/seat ventilators
The heated steering wheel and seat heaters heat the side grips of the steering wheel and seats, respectively. Seat ventilators maintain good airflow by blowing air from the seats. Warning Care should be taken to prevent injury if anyone in the following categories comes in con ...