Terdapat pula Forward Collision-Avoidance Assist 2 (FCA 2) yang bisa mencegah tabrakan dengan kendaraan atau objek lain. Adapun fitur Hyundai SmartSense lainnya, meliputi Blind-Spot Collision-avoidance Assist (BCA), Blind-Spot View Monitor (BVM), Driver Attention Warning (DAW) yang meliputi Leading Vehicle Departure Alert, Lane Following Assist (LFA), Lane Keeping Assist - Line/Road-Edge (LKA-L/R), Parking Collision-avoidance Assist-Reverse (PCA-R), Rear Cross-Traffic Collision-Avoidance Assist (RCCA), Rear Occupant Alert (ROA), Safe Exit Warning (SEW), Smart Cruise Control (SCC) with Stop & Go Function, dan Surround View Monitor (SVM).
Untuk menjamin pengalaman berkendara, Ioniq 6 juga didukung fitur-fitur Electronic Stability Control (ESC) mencakup Anti-lock Braking System (ABS), Brake Assist System (BAS), Electronic Brakeforce Distribution (EBD), Hill-start Assist Control (HAC), Multi Collision-Avoidance Brake (MCB), Traction Control System (TCS), dan Vehicle Stability Management (VSM).
Terdapat fungsi-fungsi penunjang lainnya, seperti Emergency Stop Signal (ESS), Manual Speed Limit Assist (MSLA), Parking Distance Warning - Forward/Side/Reverse (PDW-F/S/R), Tyre Pressure Monitoring System (TPMS), dan Virtual Engine Sound System (VESS).