How To Tell If You Have Variable Assist Power Steering In A Car?

Our use of automobiles has been transformed by power steering, which makes steering quick and easy. However, not every power steering system is made equally. Variable Assist Power Steering is a function that is available on some automobiles. Your experience with the wheel becomes even more sophisticated thanks to this technology, which adapts to various driving circumstances.

We shall briefly discuss the idea of variable assist power steering in this essay. We’ll talk about what it is, why it’s useful, typical reasons why it breaks down, how to fix those problems and conclude with a clearer grasp of how to tell if you have variable assist power steering. Let’s start by exploring the mysteries of variable assist power steering.

What Is A Variable Assist Power Steering In A Car?

Before we discover how to tell if you have variable assist power steering in a car. Firstly, we’ll see what variable assist power steering signifies in a car. The traditional power steering system present in most cars has been improved with a technique called variable assist power steering. It is made to make driving simpler, particularly when cruising at high speeds and performing manoeuvres at low speeds. Variable assist power steering’s major goal is to modify how much steering help the system offers depending on the road.

Variable assist power steering enhances the level of assistance when travelling at slower speeds, such as when parking or negotiating small areas. As a result, the driver needs to exert less physical effort to spin the steering wheel. On the other hand, it lessens the level of help at higher speeds, enabling a firmer and more stable steering feel. By lowering the assistance provided by the power steering when it is not required, this adaptability not only enhances the driving experience but also helps vehicles use less gasoline.

How To Tell If You Have Variable Assist Power Steering In A Car?

It’s not difficult to tell if your automobile has variable assist power steering. It’s great to know if your car has this option because it might make driving more efficient and comfortable. How to determine:

1. Examine The Owner’s Manual:

Checking the owner’s manual is the simplest approach to determine whether your automobile has variable assist power steering. This booklet, which is typically placed in your glovebox, contains details regarding the characteristics of your car. Find words like “variable assist power steering” or “VAPS” in the manual. It will let you know if your car has this technology.

2. Examination Of The Steering Wheel:

Turn the steering wheel just a little bit before you start your car. You most likely have variable assist power steering if it seems lighter at low speeds, such as when parking, then gradually becomes firmer as you drive faster. With the use of this feature, you may alter the steering effort so that it is lighter while you’re moving slowly and stiffer when you’re moving quickly.

3. Look Out For A Whining Noise:

When you turn the steering wheel, variable-assist power steering systems frequently emit a soft whining sound. The sound of the power steering pump operating is this. Therefore, if you hear this noise, your car likely has this feature.

4. Observe The Dashboard Lights:

Some vehicles feature warning lights that show power steering system problems. The presence of a “power steering” or “EPS” (Electric Power Steering) light on your dashboard denotes the possibility of a variable assist system.

5. Consult A Professional:

Consult a dealership or your mechanic if you’re still unsure. If your particular automobile has variable assist power steering, they may verify the VIN (Vehicle Identification Number) and let you know.

However, modern vehicles frequently have variable assist power steering as a standard feature, especially if they were created within the last ten years. Although it’s always a good idea to double-check, this technology can significantly enhance your driving experience by making it simpler to control your vehicle in a variety of circumstances.

Common Causes Of The Variable Assist Power Steering In A Car?

Although it is a wonderful feature, variable-assist power steering can malfunction just like any other auto system. Proper maintenance requires an understanding of the typical causes of these problems. A few typical offenders are listed below:

1. Sensor Errors:

Your car has sensors that can detect your speed and direction of steering wheel rotation. Your variable assist power steering may behave strangely if these sensors malfunction or fail. It won’t know when to step back or when to provide you with more assistance.

2. Confusing Control Modules:

Consider the control module to be the system’s mind. It determines how much steering assistance you require using data from the sensors. If it malfunctions, the steering assistance may be affected, making it either too heavy or too light when you don’t want it to be.

3. Fluid Shortage:

To function properly, your power steering system needs hydraulic fluid, much like a person who is thirsty needs water. It can’t perform its duties effectively if there are leaks or low fluid levels. This could result in choppy or challenging steering.

4. Electrical Fumbles:

Wires and connectors that are part of the electrical system can also fail. Your variable assist power steering may behave strangely if there is an issue with the electrical system.

5. Mechanical Blunders:

The steering rack or the pump, for example, can become damaged from time to time in the steering system. When this occurs, the performance of your variable assist power steering may be affected.

However, the solution to these problems is to consult an automotive expert. They are equipped with the knowledge and skills necessary to identify the problem and fix it. Without the necessary understanding, attempting to resolve these issues on your own could result in further complications. So it’s better to leave it to the experts if you think something is wrong with your variable assist power steering.

Solutions To Fix The Variable Assist Power Steering Issues In A Car?

Your car’s variable assist power steering problems may need to be fixed if you want to drive safely and comfortably. Here, we’ll examine a few straightforward answers to typical issues:

1. Power Steering Fluid Should Be Inspected:

Checking your power steering fluid is one of the first things you should do. Leaks or low levels can be problematic. However, if a problem arises, top off the fluid or get any leaks repaired. It’s an easy change that can have a significant impact.

2. Changing Faulty Sensors:

Sensors are used in variable assist power steering to detect your steering input and speed. These sensors may provide the system with erroneous signals if they aren’t functioning properly. These sensors can be changed to put your system back on track.

3. Repair Of The Control Module:

The control module manages the steering assistance and processes sensor data. Your power steering may malfunction and become problematic. It may be replaceable in some circumstances but may also be repairable in others.

4. Resolve Electrical Issues:

Problems with power steering may be caused by electrical problems, such as frayed wiring or connectors. To examine and fix these issues, a professional may be required. The maintenance of the electrical parts is crucial.

5. Mechanical Repairs:

Occasionally, the issue may lie inside the steering system itself, such as a broken steering rack or pump. These problems require mechanical fixes. These components can be repaired or replaced by a trained mechanic.

6. Continual Upkeep:

The best course of action is problem prevention. Moreover, observe the maintenance schedule suggested by the car’s manufacturer. This entails inspecting sensors, verifying fluid levels, and making sure all electrical components are operating properly. Power steering may be kept in top shape with routine maintenance.

Remember, it’s critical to have a qualified repair look at your variable assist power steering if you suspect a problem. Additionally, they are equipped with the skills and information needed to accurately identify the issue and solve it. Without the necessary skills, attempting to resolve complicated steering problems might result in much bigger problems and even endanger your life. Therefore, it’s important to address any unexpected power steering behaviour right away with thorough maintenance and professional repairs.


It’s easy to determine if your car has variable assist power steering. Just keep in mind that you definitely have it if your steering feels incredibly effortless when parking or incredibly stable at high speeds. This technology makes driving easier by adjusting to your demands. It’s a fantastic function that improves your driving’s comfort and control. However, consult a qualified mechanic if you ever have any questions or issues with it. Moreover, for a better driving experience, they can assist in maintaining the condition of your variable assist power steering.