If your vehicle's air conditioning is not cooling, you can try the following steps:

1. Check the Air Conditioning Settings: Make sure that the air conditioning is set to the correct mode and cooling level.

2. Clean the Filters: The air conditioning filters may be clogged. Make sure that the filters are clean and unobstructed.

3. Check the Refrigerant Level: Have a qualified service technician check if the refrigerant level is sufficient.

4. Inspect the Air Conditioning Compressor: Check if the compressor is functioning properly; seek professional assistance if necessary.

5. Check for Leaks: Contact a professional service to identify any leaks in the system.

If these steps do not resolve the issue, consulting a professional technician is the best option.