Hyundai Ioniq: Driving the Hybrid/Plug-in Hybrid Vehicle / Plug-in Hybrid Mode (Plug-in hybrid vehicle)
EV/HEV Button

Pressing the [EV/HEV] button changes the plug-in hybrid system modes, between
Electric (CD) mode and Hybrid (CS) mode.
Each time the mode is changed a corresponding indicator is displayed on the instrument
cluster as follows.
Plug-in Hybrid Mode Indicator
• CD (Charge Depleting, Electric) mode

: The high-voltage (hybrid) battery is used to drive the vehicle.
• CS (Charge Sustaining, Hybrid) mode

: The high-voltage (hybrid) battery and gasoline engine is used to drive the
vehicle.
Information
Even when the battery charging rate is high and driving in electric mode is
possible, engine may turn on in some areas to protect the system.
The hybrid system gauge indicates whether the current driving condition is fuel
efficient or not.
• CHARGE :
Shows that the energy made by the vehicle is being converted to electrical energy...
Press [PHEV] on the [Home] screen or the [All menus] screen and the menus related
to plug-in hybrid ([ECO Driving], [Energy Information], [EV Range], [Charging Settings],
[Charging Stations], [Gas Stations]) are displayed...
Other information:
DescriptionThe HCU (Hybrid Control Unit) controls whole hybrid systems and is connected with each control modules (ECM, TCM, MCU, BMS ECU etc.) by CAN interface. In addition this system uses the brake switch and Clutch Pressure Sensor (CPS) signals for controlling the hybrid system...
Removal1.Shut off the high voltage.(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")2.Remove the rear seat cushion.(Refer to Body - "Rear Seat Assembly")3.Remove the rear door scuff trim.(Refer to Body - "Door Scuff Trim")4.Remove the upper frame (A) after loosening the mounting bolts and nuts...