Will these connect to my factory fog light wiring if my model doesn't have fogs?

These use the integrated switch provided in the kit, so you're not dependent on existing factory harnesses. Your installer will run dedicated power from the battery and ground through the switch. If your model originally came with fogs, you may be able to tap into that layout — test-fit before committing to any permanent connections.

Do I need to paint the chrome bezels, or do they come ready to install?

The bezels are finished chrome and ready to bolt on as-is. No prep or painting required before installation.

What if the bulbs burn out later—are they user-replaceable?

H16 bulbs are standard and widely available. Access and swap-out method depends on your specific model's bumper design — check your vehicle's service manual for bulb access procedures once installed.