Cruise Control Advantages and Disadvantages: Complete Driver’s Guide

This article was updated in April 22, 2026 with new products and information by Mark S. Taylor

Cruise control is one of the most used — and most misunderstood — features in your car. It’s great for long highway stretches. But it can also get you into trouble if you rely on it too much. The good news: knowing when to use it and when to switch it off makes all the difference. This guide breaks down of every cruise control advantages and disadvantages, compares standard and adaptive systems, and gives you a simple decision guide for safer, smarter driving.

What Is Cruise Control? (Quick Explainer)

Cruise control is a system that automatically maintains a set vehicle speed. You do not need to press the gas pedal. It is activated by a button or stalk on the steering wheel. You turn it off by tapping the brake or pressing “Cancel.” There are two main types of systems. Standard cruise control holds a fixed speed. Adaptive cruise control (ACC) adjusts your speed based on the traffic ahead. Over 90% of new vehicles have some form of it today.

Standard Cruise Control vs. Adaptive Cruise Control (ACC)

It is important to know the difference. Standard systems are simple. They just hold your speed. Adaptive systems are smarter. They use sensors to watch the road. They can slow down if the car in front of you slows down.

Feature	Standard Cruise Control	Adaptive Cruise Control (ACC)
Maintains set speed	✅ Yes	✅ Yes
Adjusts to traffic ahead	❌ No	✅ Yes
Automatic braking	❌ No	✅ Yes
Safe following distance	❌ Manual only	✅ Automatic
Lane-keeping assistance	❌ No	Some systems: ✅ Yes
Availability	Older/base models	Most new vehicles 2020+
Typical cost to add	$0 (standard)	$500–$2,500 in packages

Advantages of Cruise Control

1. Better Fuel Efficiency on the Highway

Using cruise control can save you gas. A steady throttle uses less fuel than speeding up and slowing down. One study by Esurance found it improved efficiency by 17.2% at 60 mph. Matthews Tire suggests up to 10% savings for regular highway drivers. It works best on flat highways at 55–65 mph.

Important caveat: A 2024 study by Argonne National Lab found ACC is about 2% less efficient overall in real-world use. It uses more gas during steady high-speed cruising. However, it is still better than humans in stop-and-go traffic. Research shows that smooth driving helps fuel economy.

2. Reduces Driver Fatigue on Long Trips

Holding the gas pedal is tiring. Your leg gets stiff after a few hours. Cruise control gives your right leg a break. This reduces physical strain. It also lowers your mental load slightly. It is very useful on long, flat interstate drives.

3. Helps Prevent Accidental Speeding

It is easy to speed without knowing it. Cruise control holds your set speed until you cancel it. You do not have to watch the speedometer as much. NHTSA estimates speeding costs the U.S. economy about $40 billion per year. ACC systems can even adjust for posted speed limit changes automatically.

4. Less Wear on Brakes

Systems that manage speed drive smoothly. Smoother driving means fewer unnecessary brake applications. You do not race up to cars and slam on the brakes. This reduces brake wear over time. This is especially true for heavy highway commutes.

5. ACC Adds Real Safety Features

Adaptive cruise control offers more than just convenience. It provides automatic following distance maintenance. If the car ahead brakes, your car slows down too. It offers emergency braking assistance. Some systems also help with lane-centering. This technology is the basis for future self-driving cars.

Disadvantages of Cruise Control

1. Reduces Driver Attention and Reaction Time

When you do not manage the gas, your brain relaxes. Without the physical task, the driver naturally disengages. Studies show drivers using ACC do more non-driving tasks. They check their phones or eat more often. This worsens situational awareness. A 2013 FHWA study confirmed this reduces response times. Distracted driving caused many fatalities in recent years.

2. Dangerous in Rain, Snow, or Ice

You should never use cruise control in bad weather. The system cannot detect slippery road surfaces. If you hydroplane, the wheels spin fast. The system tries to maintain speed by spinning them faster. This causes you to lose traction completely. Neither standard nor ACC handles changing traction well.

⚠️ Rule: Never use cruise control on wet, icy, or snowy roads.

3. Problematic on Hilly or Winding Roads

Standard systems react poorly to hills. The car cannot predict a hill coming up. It may accelerate too fast going up. It might speed up too much coming down. On winding roads, a locked speed is dangerous. You cannot slow down safely for sharp curves. GPS-integrated ACC helps but is still imperfect on steep descents.

4. Not Suitable for Heavy or Stop-and-Go Traffic

Standard cruise control needs an open road. Constant braking defeats the purpose. Even ACC can struggle in dense city traffic. Relying on it in congestion can delay your reaction. If you rely too much on automatic braking, you might hit the car in front. It increases the risk of rear-end collisions in heavy traffic.

5. Risk of Drowsiness

The reduced workload is a double-edged sword. Passive driving speeds up the onset of drowsiness. The steady drone of the engine can make you sleepy. If you are already tired, do not use it. It will make your sleepiness worse, not better.

6. Software and Sensor Failures

Electronic systems can glitch. In 2025, GM recalled over 2,000 Chevrolet Equinox vehicles. The software error affected braking through the cruise system. ACC relies on cameras and radar. These sensors can get blocked by dirt, ice, or sun glare. Always be ready to take manual control instantly.

7. Fuel Efficiency Gains Are Overstated in Real-World ACC Use

The Argonne National Lab study is important here. ACC actually increases fuel consumption slightly in real use. The penalty is about 2%. It performs best in stop-and-go traffic, not steady cruising. On flat highways at high speed, a human driver is often more efficient.

Cruise Control Advantages and Disadvantages — At a Glance

Here is a quick summary of the pros and cons.

Advantage	Disadvantage
⛽ Fuel	Saves fuel on flat highways (standard)
🧠 Attention	Frees mental energy
😴 Fatigue	Reduces physical strain
🚦 Speed	Prevents accidental speeding
🌧️ Weather	Fine in dry, clear conditions
🛣️ Terrain	Excellent on flat highways
🚗 Traffic	Great in light highway traffic
🔧 Safety (ACC)	Emergency braking, lane-keeping

When to Use Cruise Control (and When to Turn It Off)

✅ Use it when:

• Driving on flat, straight, open highways.
• The speed limit is consistent for a long stretch.
• Roads are dry and visibility is clear.
• Traffic is light and predictable.
• You are driving between 55 and 75 mph.

❌ Turn it off when:

• Roads are wet, icy, or snowy.
• Driving through hills, curves, or mountain roads.
• Traffic is heavy or stop-and-go.
• You feel drowsy or distracted.
• Driving in fog, heavy rain, or low visibility.
• Approaching construction zones, toll booths, or exits.

How to Use Cruise Control Correctly (Step-by-Step)

It is easy to use once you practice. Follow these steps to set it safely.

1. Reach your desired speed manually. Drive at the speed you want, like 65 mph.
2. Press the “ON” or “Set” button. This activates the system.
3. Take your foot off the gas. The car maintains speed automatically.
4. Use the +/- buttons to adjust. You can fine-tune your speed without touching the pedal.
5. Stay alert. Keep your eyes on the road and hands near the wheel.
6. To cancel, tap the brake pedal. You can also press the “Cancel” button.
7. To resume, press “Resume.” This brings the car back to your set speed if it is safe.

💡 Tip: If you have ACC, use the following-distance setting. Set it to the longest gap option. This is the safest choice on highways.

A Brief History of Cruise Control

The story starts in 1948. Ralph Teetor, a blind engineer, invented modern cruise control. He was frustrated by his lawyer’s driving. The lawyer kept speeding up and slowing down while talking. Teetor wanted a solution. In 1958, the Chrysler Imperial was the first car with it. They called it “Auto-Pilot.”

The 1973 oil crisis made it popular. Drivers wanted to save fuel on the highway. In 1968, Daniel Aaron Wisner invented electronic cruise control. By the late 1980s, Motorola made the integrated circuit for it. Today, over 90% of new vehicles include ACC. It is the basis for autonomous driving.

FAQs About Cruise Control Advantages and Disadvantages

What are the downsides of cruise control?

The main downsides are reduced driver attention and danger in bad weather. It can make you drowsy. It is also not good on hilly or winding roads. ACC systems can be less fuel-efficient in real-world driving.

Is cruise control good for your engine?

Yes, it can be good for your engine. It maintains a steady RPM. This reduces strain compared to rapid acceleration. However, lugging the engine at low speeds with cruise on can be bad.

Is it worth it to use cruise control?

Yes, on long, flat highway trips it is worth it. It saves gas and reduces leg fatigue. It is not worth it in traffic, rain, or on curvy roads where you need full control.

When should I avoid using cruise control?

You should avoid it in rain, snow, or ice. Turn it off on winding roads, hills, or in heavy traffic. Do not use it if you feel tired or distracted.

What is the difference between cruise control and adaptive cruise control?

Standard cruise control holds a fixed speed. It will not stop for a slower car ahead. Adaptive cruise control (ACC) uses sensors. It slows your car down to match the speed of the car in front of you.

Bottom Line — Verdict

Cruise control is a genuinely useful tool — but only when used in the right conditions. On flat, dry, open highways it reduces fatigue, helps manage speed, and can improve fuel economy. Turn it off the moment roads get wet, hilly, winding, or busy. Adaptive cruise control adds meaningful safety features — but don’t let it lull you into passivity. The research is clear: drivers using ACC tend to pay less attention. Your car can assist you, but it can’t replace you. Stay engaged, stay safe, and use cruise control as a tool — not a co-pilot. If you notice symptoms of a bad cruise control system, have a mechanic check it out before your next trip.

Quick Summary

• Best Use: Perfect for dry, flat highways.
• Fuel Savings: Standard control saves gas; ACC may use slightly more.
• Safety Risk: Never use it in rain, snow, or ice.
• Driver Alertness: Watch out for drowsiness and distraction.
• Hills: Turn it off on steep or winding roads.
• ACC: Adaptive systems add safety but require sensor maintenance.
• Control: Always be ready to take over manually.