Hyundai Ioniq: LCD Display Messages / Unplug vehicle to start, Remaining time (Plug-in hybrid vehicle)

Check brakes/Check regenerative brakes, Check Virtual Engine Sound System

Check brakes/Check regenerative brakes Either message is displayed when the brake performance is low or the regenerative brake does not work properly due to a failure in the brake system...

Wait until fuel door opens, Check fuel door (Plug-in hybrid vehicle)

Wait until fuel door opens (Plug-in hybrid vehicle) This message is displayed when you attempt to open the fuel filler door with the fuel tank pressurized...

Other information:

Hyundai Ioniq (AE) 2017-2021 Owner's Manual: Lighting control

To operate the lights, turn the knob at the end of the control lever to one of the following positions: 1. DRL (Daytime Running Lights) OFF position 2. AUTO light position 3. Parking lamp position 4. Headlamp position Daytime running light (DRL) (if equipped) The Daytime Running Lights (DRL) can make it easier for others to see the front of your vehicle during the day, especially after dawn and before sunset...

Hyundai Ioniq (AE) 2017-2021 Owner's Manual: Battery (12 Volt, Plug-In Hybrid Vehicle)

WARNING To prevent SERIOUS INJURY or DEATH to you or bystanders, always follow these precautions when working near or handling the battery: Always read and follow instructions carefully when handling a battery. Wear eye protection designed to protect the eyes from acid splashes...