- Check the cabin air filter for dirt or debris and replace if necessary.
2. Faulty blower motor
- The blower motor could be making noise if it is old, worn, or damaged. Inspect the blower motor for any visible signs of damage.
3. Loose or damaged AC vents
- The AC vents could be loose or damaged, allowing air to escape and create a humming noise. Inspect the AC vents for any visible signs of damage.
4. Antenna stuck or damaged
- If the antenna is stuck or damaged it can cause a humming noise. Inspect the antenna for any visible signs of damage and repair or replace if necessary.
5. Cassette tape stuck in player
- If a cassette tape is stuck in the player it can cause a humming noise. Remove any cassettes and inspect the player for any visible signs of damage.
6. Faulty head unit
- The head unit could be making noise if it is old, worn, or damaged. Inspect the head unit for any visible signs of damage.
