Q: AC blowing hot air in 2010 Nissan Rogue

Hi. Usually, the cigarette lighter fuse blows because the accessory (such as a cell phone charger) draws too much current. I would check the fuse. According to the wiring diagram, it should be fuse #19, which is rated at 15 amps. It should be located in the junction box under the hood. As far as the brake light bulb goes, you may have gotten a bad bulb if it only happened twice. If the bulb continues to fail, I suspect an intermittent overcharging problem or a bad connection at the bulb. A loose connection can allow current to arc, heating up the bulb and connector. A trained mechanic can easily inspect your vehicle’s electrical components to pinpoint which part damaged. Finally, there are countless of reasons for your A/C to not be blowing cold. These range from low refrigerant to a failed compressor. A trained technician will do an A/C performance test on your system. This test uses a set of gauges to measure the pressure on both sides of your A/C system. The technician will then use the gauge readings to diagnose your vehicle. If you need further assistance, I recommend you have a mechanic, like one from YourMechanic, inspect the A/C system in your vehicle.