Indications that your vehicle may require A/C service includes:
- Warm air from vents, even when set to A/C mode
- A/C system producing air slightly cooler than outside temperature
- Uneven cooling, with some vents blowing colder air than others
- Delayed or malfunctioning defroster operation
- A/C functions only while driving, not when parked
- Reduced airflow from vents even at maximum settings