How to sync driver and passenger temperature in a Kia EV4
The SYNC control links the passenger-side temperature to the driver setting. It is useful when both front occupants want the same climate target and you want to change it from one control.
Checked against the MY2027 English owner manual for this model on 27 October 2026. Equipment and software can differ; use the instructions and controls fitted to your own vehicle.
Touch the SYNC icon. When its indicator is illuminated, the passenger temperature follows the driver temperature and the two sides are no longer controlled individually.
Before you start
Find the SYNC icon in the climate interface while parked. Agree on a temperature with the front passenger before linking the settings; a shared target is the purpose of this control.
Follow these steps
Tick steps as you go. Your progress stays in this tab.
Check the result
The illuminated SYNC indicator is the manual’s confirmation that independent temperature control is no longer active. If the passenger wants a different target, revisit the climate controls and check the current linking state before changing the driver setting again.
Common questions
What does an illuminated SYNC indicator mean?+
The passenger climate temperature is being controlled to match the driver side.
Does SYNC create two different temperature targets?+
No. It links the front temperature controls to the same value.
SOURCES & SCOPE
Where this guide comes from
Written from the official references below. Reviewed on 27 October 2026. This is a source-based guide, not a claim of hands-on vehicle testing.
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