Honda Civic Owner's Manual page 11

The Honda IMA System
The main power source for the Honda IMA system is the gasoline engine.
The electric motor assists the engine to improve fuel economy, based on
current operating conditions.
Low speed cruise
● Only IMA motor is
Start-up/Low speed cruise/
Aggressive acceleration
● The electric motor assists the
engine.
Vehicle
Speed
IMA
System
Time
Electric
Engine
Motor
ON
Assist
IMA
Fuel
Battery
Eco Drive Bar
Display
10
powering the vehicle and
IMA battery is discharging.
IMA
System
Electric
Engine
Motor
OFF
Assist
IMA
Fuel
Battery
Tips to Improve Fuel Economy
To help your vehicle's fuel economy:
● Avoid aggressive acceleration/braking
● Monitor the ambient meter and the Eco drive bar
displayed on the i-MID.
It reflects your driving style. (P8, 90)
Slow acceleration/High
speed cruise
● Only the engine powers
the vehicle.
IMA
System
Electric
Engine
Motor
ON
OFF
IMA
Fuel
Battery
Deceleration
● The IMA system charges
the IMA battery.
Stop
● Auto Idle Stop is in
IMA
System
Engine
Charging
OFF
IMA
Fuel
Battery
operation.
IMA
System
Electric
Engine
Motor
OFF
OFF
IMA
Fuel
Battery