With the locks unlocked on your roof rack you would need to insert the control key part y8007835 into them and once the key is fully inserted you would be able to pull the core out of the foot.
Removing yakima roof rack towers.
The affected units can be identified by the distinguishing markings as shown below.
Please follow the steps methodically insuring you complete each step in order.
When using the change key part y8007835 to remove and replace a lock cylinder what you have to do is first have the lock in the unlocked position.
We also have this helpful video that walks you thr.
I attached a link to another question that has a video attached that shows the process.
In the interest of ensuring absolute safety using the q tower roof rack we ask that you immediately examine your product to determine if you have an affected unit.
They are listed near the bottom and are noted as historical.
The core would not removed if it was locked.
If you have older towers you can check our online fit guide for discontinued tower fits.
Next you will insert the change key into the core.
The classic yakima tower for cars with nothing up top the q towers pair with q clips to turn a naked roof vehicle into a versatile pile it on hauling machi.
Certain yakima q tower roof racks are being recalled.
If you do not see your tower listed it means it was not tested on your model of car.