my Honda Accord 10th Generation (2018-2022) has a weird smell coming from the vents what could it be

Solution

1. Preparation

• Gather tools: screwdriver set, flashlight, vacuum cleaner, disinfectant spray.
• Ensure the vehicle is parked in a well-ventilated area.
• Disconnect the battery if necessary for electrical safety.

2. Cabin Air Filter Replacement

1. Locate the cabin air filter access panel, typically found behind the glove compartment.
2. Remove the glove compartment by releasing the hinges.
3. Detach the cabin air filter cover and remove the old filter.
4. Clean the filter housing with a vacuum.
5. Insert a new cabin air filter, ensuring correct orientation (check airflow direction).
6. Reassemble the glove compartment and secure it.

3. HVAC System Cleaning

1. Use disinfectant spray to treat the air intake area of the HVAC system.
2. Turn on the HVAC system to its highest setting and spray the disinfectant into the external air intake.
3. Allow the system to run for 10-15 minutes to circulate the cleaner throughout the ducts.
4. Turn off the HVAC system and let it sit for a while to dry.

4. Inspect and Clear Evaporator Drain

1. Locate the evaporator drain tube, usually found under the vehicle.
2. Inspect for any blockages or dirt.
3. Clear any debris using a flexible brush or compressed air.
4. Ensure that the drain tube is securely attached and free of leaks.

5. Duct Inspection

1. Remove any accessible duct covers to inspect for foreign objects.
2. Use a flashlight to check for mold or mildew buildup in the ductwork.
3. Clean any visible mold using a damp cloth and a mild cleaning solution.