In the Owner's manual it says:
The door and tailgate unlock function can be set to the following two conditions.
Each time the door and tailgate unlock function is set, a chime will sound to tell you the
condition of the door and tailgate unlock function.
Number of chimes: Condition
One chime: All doors and the tailgate unlock
Two chimes: Driver’s door unlock only
1. Put the operation mode in OFF.
2. Place the combination headlamps and dipper switch in the “OFF” position, and leave the driver’s door open.
3. Press the LOCK switch (1) for 4 to 10 seconds and press the UNLOCK switch (2) during this time.
4. Release in sequence the LOCK and UNLOCK switches within 10 seconds of pressing the LOCK switch in step 3.
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