Makes sense to you, but not your car

By Eddie POKU

The automobile, as we know it, is the result of meticulous engineering, years of trial and error, and lessons learned the hard way. Every aspect of your car has been carefully designed and tested by manufacturers to ensure safety, efficiency, and reliability.

Any changes or modifications, however well-intentioned, should be made with a deep understanding of how these systems work. Unfortunately, many decisions that make sense to car owners can clash with sound engineering principles. Let’s explore some common mistakes.

 Riveting Decals: A No-No

Car bodies are primarily made of high-strength steel and aluminum—two metals that, while sturdy, react differently to modifications. When you pierce the body of your car to apply rivets, you compromise its corrosion resistance. Steel, when exposed to oxygen, begins to rust, while aluminum weakens structurally when perforated. Riveting may seem like a quick fix for attaching decals or accessories, but it can accelerate wear and tear. Trust adhesives or magnetic mounts instead—they’re safe and reversible.

Image Source: Kia Owners website

 Filling Up to the Brim

Filling your fuel tank to the point where you can see the fuel through the filler neck might feel like you’re maximizing value, but it’s a recipe for trouble. Overfilling can force fuel into the charcoal canister, a vital part of your car’s emissions control system. This can lead to costly repairs, reduced fuel efficiency, and even engine problems. Stick to the pump’s automatic shutoff—it’s there for a reason.

 Accessorizing Thoughtfully

Accessories can enhance your car’s functionality, safety, and aesthetics, but they can also backfire if added carelessly. Excess weight from accessories like brush guards or roof racks reduces efficiency and performance. Poorly designed brush guards, for example, can increase aerodynamic drag and, in minor collisions, cause more damage than they prevent. Similarly, modifying your exhaust system might look cool but could harm your catalytic converter, disrupt your fuel-air mix, and lead to long-term engine damage. Always consult an expert before making significant changes.

The Tire Trap

The allure of off-road tires for SUVs is understandable, especially with Ghana’s less-than-ideal road conditions. However, heavy-duty tires often reduce speed, stability, and efficiency. They also strain your vehicle’s axles, hubs, and bearings, leading to premature wear and reliability issues. Stick to tires that match your vehicle’s original specifications unless you’re truly going off-road.

 Adornments in Dangerous Places

Decorating your car’s interior is tempting, but some adornments can turn a safe space into a danger zone. For example, the center of your steering wheel houses the airbag, part of your car’s Supplemental Restraint System (SRS). Adorning this area with objects can transform them into projectiles during an accident. I learned this the hard way during a crash that resulted in a five-car pile-up. While my car’s airbags and seatbelts worked flawlessly, the detachable controller from my stereo flew to the back of the car. Thankfully, no one was sitting in its path—imagine the damage it could have caused.

 Lighting Up the Wrong Way

Upgrading your car’s lights can be a fun way to personalize it, but it’s often done wrong. Headlights are critical for safety, not just for you but for all road users. Many people replace halogen bulbs with aftermarket LEDs or HIDs without understanding the engineering behind headlamp units. Halogen headlights are designed with precise reflector profiles to focus light on the road. Poorly designed LED replacements scatter light, reducing visibility—especially in rain—and blinding other drivers. If you’re set on upgrading, invest in high-quality, properly designed LED or HID systems.

The Bottom Line

Your car is more than just a tool—it’s a complex machine designed with precision and care. Modifying it without understanding the implications can lead to inefficiency, costly repairs, and even safety risks. Remember, what makes sense to you might not make sense to your car. Trust the experts, prioritize quality, and think twice before making changes. After all, your car deserves to be treated as thoughtfully as it was designed.

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