2018 Hyundai i30 led instrument panel not working after battery replaced

Could check fuses ,or disconnect a battery terminal again for a couple of mins and then reconnect
Hyundai i30 (2018) – fuse box diagram
Year of production: 2018

Inner fuse panel (driver’s side fuse panel)
Hyundai i30 - fuse box - instrument panel
Hyundai i30 – fuse box –
instrument panel
Number Fuse name Symbol Fuse rating Protected component
F1 MODULE 5 7,5 Crash Pad Switch, Electro Chromic Mirror, MTS E-Call Module, Audio, A/V & Navigation Head Unit, A/C Control Module, A/T Shift Lever Indicator, Console Switch RH, DC-DC Converter, Head Lamp LH/RH, Active Air Flap Unit, Auto Head Lamp Leveling Device Module, Front Seat Warmer Control Module,
Front Air Ventilation Seat Control Module, Driver IMS Module
F2 MODULE 3 7,5 Driver/Passenger Door Module, BCM, Sport Mode Switch
F3 SUNROOF 1 20 Panorama Sunroof
F4 TAILGATE 10 Tail Gate Relay
F5 POWER INDOW LH 25 Power Window LH Relay, Driver/Passenger Safety Window Module, Rear Power Window Switch LH, Rear Safety Window Module LH
F6 MULTIMEDIA 15 Audio, A/V & Navigation Head Unit, DC-DC Converter
F7 POWER WINDOW RH 25 Power Window RH Relay, Driver/Passenger Safety Window Module, Rear Power Window Switch RH, Rear Safety Window Module RH
F8 POWER SEAT DRIVER 25 Driver Seat Manual Switch, Driver IMS Module
F10 MODULE 4 7,5 Lane Keeping Assist Module, Rear Parking Assist Buzzer, Stop Lamp Switch, Blind Spot Detection Radar LH/RH, BCM, Electric Parking Brske Switch, Autonomous Emergency Braking Module
F11 SMART KEY 2 2-smart-key 7,5 Smart Key Control Module, Immobilizer Module
F12 SUNROOF 2 20 Panorama Sunroof
F13 INTERIOR LAMP 7,5 Wireless Charger, Vanity Lamp LH/RH, Room Lamp, Overhead Console Lamp, Personal Lamp LH/RH, Rain Sensor, Ignition Key Ill. & Door Warning Switch, Glove Box Lamp, Luggage Lamp
F14 MEMORY 2 7,5 MTS E-Call Module
F16 MEMORY 1 10 Driver/Passenger Door Module, Driver IMS Module, BCM, A/C Control Module, Instrument Cluster, Auto Light & Photo Sensor, ICM Relay Box (Outside Mirror Folding/Unfolding Relay)
F19 MODULE 6 7,5 Smart Key Control Module, BCM
F20 MDPS 7,5 MDPS Unit
F21 MODULE 1 7,5 Hazard Switch, Center Door Lock Switch, Active Air Flap Unit, Driver/Passenger Door Module, Driver/Passenger Power Outside Mirror, Driver/Passenger Smart Key Outside Handle, Data Link Connector
F22 MODULE 7 7,5 Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module, Nozzle Heater
F23 AIRBAG
INDICATOR 7,5 Smart Key Control Module, Stop Lamp Switch
F24 BRAKE
SWITCH 7,5 Smart Key Control Module, Stop Lamp Switch
F25 START 7,5 Without Smart Key : ICM Relay Box (Burglar Alarm Relay),
With Smart Key : Transaxle Range Switch, Smart Key Control Module, ECM/PCM,
Engine Room Junction Block (RLY.4)”
F26 CLUSTER 7,5 Instrument Cluster
F27 DOOR LOCK 20 Door Lock/Unlock Relay, ICM Relay Box (T/Turn Unlock Relay)
F29 ARB AEB 10 Autonomous Emergency Braking Module
F30 SEAT HEATER FRONT 20 Front Seat Warmer Control Module, Front Air Ventilation Seat Control Module
F31 AIR CONDITIONER 2 10 A/C Control Module, ECM/PCM, Blower Resistor, Blower Motor, E/R Junction Block (RLY.10)
F32 AIR CONDITIONER 1 7,5 A/C Control Module, Cluster Ionizer, E/R Junction Block (RLY.1/10/11/13)
F33 SMART KEY 1 1-smart-key 15 Smart Key Control Module, Immobilizer Module
F35 AIRBAG 15 SRS Control Module
F36 IGNITION 1 25 PCB Block (F45/F46/F47/F48)
F37 MODULE 2 10 Wireless Charger, MTS E-Call Module, Smart Key Control Module, BCM, Audio, A/V & Navigation Head Unit, DC-DC Converter, Power Outside Mirror Switch, Engine Room Junction Block (RLY.14)
F38 WASHER 15 Multifunction Switch
F39 WIPER 10 ECM/PCM, BCM
F40 REAR WIPER 15 Rear Wiper Relay, Rear Wiper Motor
F42 MIRROR HEATED 10 Driver/Passenger Power Outside Mirror, A/C Control Module, ECM/PCM
F43 POWER
OUTLET 20 Rear Power Outlet #2
F45 HEATED STEERING 15 BCM