Will these plug into my factory fog light connectors?

Yes. The wiring harness terminates with connectors that mate to your vehicle's existing fog light circuit. No splicing or adapter pigtails needed.

Do I need to remove the front bumper to install these?

Access is easiest from underneath the bumper or through the wheel wells depending on your approach. The actual housings bolt into factory mounting points — no drilling or fabrication required.

Can I use these as daytime running lights?

That depends on how your vehicle's electrical system is wired. Some owners wire them to a separate switch for independent control. Check your owner's manual or a Cruze-specific forum to confirm available circuits.