Does the car need to be started to turn on the air conditioning?

1 Answers
ReeseLee
07/30/25 6:06am
Cars can turn on the air conditioning without ignition, but the air conditioning will not have cooling function. After using it for a period of time, the car's battery will be depleted, making it difficult to start the car. Reasons for the heater not being warm: lack of antifreeze used by the engine, the engine's antifreeze reaching the replacement cycle, damage to the engine thermostat, excessively dirty air filter, or blockage in the vehicle's circulation system—all these reasons can cause the vehicle's heater to not be warm. Solution: When the heater of the vehicle is not warm during use, the heater system can be inspected using troubleshooting methods. After identifying the specific fault, perform targeted repairs. If certain parts cannot be repaired, they can be directly replaced. After repair, the vehicle's heater will return to normal working condition.
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