The power mode must be in ON to use the seat heaters.
There is no heater in the rear center seating position.
The indicator for your setting comes on while the seat heater is in use. Press the button on the opposite side to turn the heater off. The indicator goes off.
While in HI, the heater cycles on and off.
When a comfortable temperature is reached, select LO to keep the seat warm.
WARNING
Heat induced burns are possible when using seat heaters.
Persons with a diminished ability to sense temperature (e.g., persons with diabetes, lower-limb nerve damage, or paralysis) or with sensitive skin should not use seat heaters.
Do not use the seat heaters even in LO when the engine is off. Under such conditions, the battery may be weakened, making the engine difficult to start.
In the LO setting, the heater runs continuously and does not automatically turn off.
Honda Civic Owners Manual. With Little Chance of a Collision
The CMBSTM may activate even when you are aware of a vehicle ahead of you, or
when there is no vehicle ahead. Some examples of this are:
When Passing
Your vehicle approaches another vehicle ahead of you and you change lanes to
pass.
At an intersection
Your vehicle approaches or pa ...