Two Turn Unlock

When unlocking the driver door using the driver door key or RKE, only the driver door is unlocked.
After Step 1), when the driver key or RKE UNLOCK signal is input again, within 3.0 seconds, the rest of doors will UNLOCK.
After Step 1) when the UNLOCK signal is input, after 3.0 seconds, then only the driver door UNLOCK.
With the RKE UNLOCK, the hazard lamp goes ON twice. If the RKE UNLOCK is input again (a different door UNLOCK) the hazard lamp output cannot be renewed.
When unlocked by the driver knob switch, only the driver UNLOCK is done.
The specifications for door LOCKS shall conform to the central door LOCK/UNLOCK specification.
When doing the assist door UNLOCK using the assist door key, only the assist door key UNLOCK is done.
After Step 7), the use of an assist door key a second time within 3.0 seconds will activate UNLOCK for all the doors including the driver door.
After Step 7), the use of an assist door switch a second time after 3.0 seconds will not cause UNLOCK to activate.

Fig 1: Illustrating Two Turn Unlock Function Diagram
Courtesy of KIA MOTORS AMERICA, INC.