Door Striker Adjustment

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.

Information

Make sure the door latches securely without slamming it. If necessary adjust the striker (A): The striker nuts are fixed. The striker can be fine adjusted up or down, and in or out.

After loosening the mounting screw, adjust the striker (A) by moving it forward and backward or from side to side and then tighten the bolts (B).
Tightening torque

(B): 21.6 - 32.4 N.m (2.2 - 3.3 kgf.m, 15.9 - 23.9 lb-ft)

Courtesy of HYUNDAI MOTOR AMERICA
Tap on the striker with a plastic hammer to adjust the striker. The striker will not move much, but will give some adjustment.
Hold the outer handle out, and push the door against the body to be sure the striker allows a flush fit. If the door latches properly, tighten the screws and recheck.