2022 Can-am Defender light bar wiring turns off 20 seconds after key is turned off

How to wire your light barn on a Can-am Defender so that the light will turn off 20 seconds after the key is shut off. use only 1 wire going through the firewall.
Light bar:
oEdRo LED Light Bar 17.72 Inch 414W 32760LM Tri-Row Spot Flood Combo Driving Light + Wiring Harness, IP68 Off Road Lamp Fit for Pickup Jeep SUV 4WD 4X4 ATV UTV Truck Tractor (12V 24V) a.co/d/bZcWbZz
Switch:
MICTUNING ACSSB Laser On-Off Rocker Switch with Jumper Wire, 5 Pin, 20 Amp, 12V, LED Lights, Sasquatch Light, Blue a.co/d/1hmgBHF