What is APS on a car?

2 Answers
DelMatthew
07/29/25 3:51pm
APS (Accelerator Position Sensor) is the accelerator pedal position sensor, which functions as follows: 1. When the driver operates the accelerator pedal, the accelerator pedal position sensor generates corresponding voltage signals that are input to the throttle control unit, thereby controlling the throttle opening. 2. When there is a significant difference between the actual temperature inside the car and the set temperature, it switches to recirculation mode to quickly adjust the interior temperature to the set temperature. 3. Once the interior temperature reaches the set temperature, it continuously monitors the outside air quality. When the outside air quality is good, it automatically switches to fresh air mode, and when the outside air quality is poor, it automatically switches back to recirculation mode.
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LincolnLynn
08/15/25 3:39am
Actually, safety is my top priority when driving. Once, I was in a hurry during heavy rain when the car in front suddenly braked hard. I stepped on the brake pedal and felt it pulsing—that was the ABS kicking in. ABS stands for Anti-lock Braking System, which prevents the wheels from locking up and skidding during emergency braking, allowing the car to steer and avoid obstacles. Every car I've driven has this system because it uses sensors to monitor each wheel's speed. If a wheel is about to lock, the ABS automatically modulates brake pressure to maintain traction. This not only shortens braking distance but also reduces the risk of skidding, especially on wet or snowy roads. Just check the indicator light during startup to ensure it's functioning properly. Overall, it's a lifesaver—I recommend familiarizing yourself with your car's features and letting the ABS handle hard braking instead of forcefully turning the wheel, as it’s much safer.
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