Avoid Expensive Repairs: DIY Electric & Hybrid Car Care

So, you've made the switch. Whether you're driving an all-electric head-turner or a fuel-sipping hybrid, congrats—you’re officially part of the modern mobility movement. But with great battery power comes great responsibility… especially when it comes to maintenance and repairs.

The good news? Electric and hybrid cars require less routine maintenance than traditional gas-powered vehicles. The better news? There are plenty of smart, simple things you can do at home to avoid expensive repairs, keep things humming quietly, and extend your car’s lifespan.

You don’t need a mechanic’s certificate or a garage full of tools. Just a little know-how, a dash of curiosity, and a regular routine that makes sense for your lifestyle.

Start With the Basics: Know Your Vehicle

The first step in DIY care is understanding what you’re working with. Electric and hybrid cars are not one-size-fits-all. They come with unique systems that could include components like lithium-ion batteries, regenerative braking systems, and electric motors. Depending on your car, the maintenance requirements may vary.

Check Your Manual (Yes, Seriously!)

While it sounds basic, your car’s manual is a gold mine of information tailored to your specific model. It’s not just a list of dos and don’ts; it’s your cheat sheet for care intervals, system specifics, and troubleshooting common issues.

For example, many hybrids use a high-efficiency regenerative braking system that recaptures energy to recharge the battery. However, this system still uses brake pads that wear down, just like in a traditional vehicle. Your manual may recommend an inspection schedule to keep your brakes in top shape.

Basic Maintenance Tasks

When it comes to electric and hybrid cars, regular maintenance is just as important as it is for traditional vehicles. Here are a few basic tasks that will help you avoid costly repairs down the line:

1. Battery Health Monitoring

Your car's battery is its heart and soul. Keeping it in good health will ensure your vehicle continues to perform at its best. According to a study by Geotab, the average electric vehicle (EV) battery degrades at a rate of approximately 1.8% per year.

By taking care of your battery now, you can extend its life and maintain optimal performance for years to come.

Pro Tip! Avoid extreme temperatures whenever possible. Excessive heat or cold can decrease the battery’s lifespan.

• What to do: Check your car's battery monitoring system regularly. Many electric and hybrid cars come with a built-in feature to monitor battery health. If your car doesn't, apps like TeslaMate or LeafSpy can help you keep tabs on things.
• Watch for: Drops in charge capacity or signs of slower charging, which could signal potential battery issues.

To help your EV battery last longer, try to keep the charge between 20% and 80%, avoid extreme heat or cold, and use fast charging only when necessary.

2. Tire Pressure and Rotation

Maintaining proper tire pressure is critical to keeping your electric or hybrid car efficient. Since these vehicles are heavier due to their batteries, tire maintenance is even more important than it is for gas cars.

• What to do: Check your tire pressure at least once a month. Inflate tires to the manufacturer’s recommended PSI (usually found in your car's manual or inside the driver’s side door).
• Tire Rotation: Rotate your tires every 6,000 to 8,000 miles to ensure even wear and extend their lifespan.

Pro Tip! If you’re unsure about your car’s recommended tire pressure, check the sticker inside the driver’s door. Underinflated tires can reduce your car’s range and efficiency.

3. Brake System Care

One of the coolest things about hybrids and electric vehicles is the regenerative braking system. It doesn’t just stop your car; it also converts some of that energy into battery power. Talk about multitasking!

But here’s the thing people often overlook: Regenerative systems don’t eliminate brake system wear entirely. Proper maintenance goes a long way in keeping this innovative feature performing at its best.

• What to do: Inspect brake pads regularly. Even though regenerative braking takes some of the strain off, your brake pads can still wear down over time.
• Signs of wear: Look for squealing or grinding sounds when braking, which could indicate it’s time to replace your pads.

Coolant System Maintenance

Like traditional cars, electric and hybrid vehicles rely on a cooling system to regulate temperature, particularly for the battery and electronics. Neglecting coolant maintenance can lead to overheating, which could damage the battery and electronics—an expensive fix!

Checking and Replacing Coolant

• What to do: Check the coolant levels regularly, especially during hot weather or after long drives.
• When to replace: Follow your car's manual, but most systems recommend flushing the coolant every 30,000 miles or 3 years.

Pro Tip! Use only the recommended coolant for your car. Mixing coolants can cause serious damage to your vehicle’s cooling system.

Inspecting Hoses and Connections

• What to do: Regularly inspect hoses and coolant connections for leaks or cracks. Look for wet spots under the car or signs of dried coolant around the engine bay.
• What to look for: Any signs of cracking, swelling, or softening are indicators that the hoses may need to be replaced.

Cabin Air Filter Replacement

Keeping your car's cabin air filter clean is essential for both air quality and HVAC efficiency. A clogged filter can make your air conditioner work harder, reducing energy efficiency and comfort.

Importance for Air Quality and HVAC Efficiency

A clean cabin air filter ensures that you and your passengers breathe clean air, free from dust and allergens. It also helps your HVAC system run more efficiently, saving you energy and keeping your electric or hybrid car’s range intact.

Step-by-Step Replacement Guide

• Step 1: Locate the cabin air filter. In most cars, it’s behind the glove compartment or under the dashboard.
• Step 2: Remove the filter housing cover. This typically requires a screwdriver or simply unclipping the cover.
• Step 3: Take out the old filter. Make a note of the direction of airflow, which should be indicated on the filter.
• Step 4: Insert the new filter, ensuring the airflow arrows are facing the right direction.
• Step 5: Replace the cover and secure it back in place.

Software Updates

Most electric and hybrid cars receive over-the-air software updates that improve performance, add features, and fix bugs. Staying on top of these updates can improve your car's functionality and even increase range.

Checking for and Installing Updates

• What to do: Check your car’s system regularly for software updates. Many vehicles will alert you when updates are available, or you can manually check through the car’s settings.
• How to install: Updates are often downloaded directly to the car over Wi-Fi. Simply follow the prompts to install them. It’s best to do this while the car is parked and charging.

Benefits of Keeping Software Current

• Increased battery efficiency and range
• Improved vehicle handling and performance
• Bug fixes and new features

Regular Inspections

Regular visual inspections can help you catch small problems before they become big (and expensive). A few minutes every month could save you a trip to the mechanic.

Visual Checks for Wear and Tear

• Tires: Check for uneven wear, bald spots, or damage.
• Brakes: Inspect for worn brake pads or rust.
• Undercarriage: Look under the car for leaks or corrosion, especially after driving on salted roads in winter.

Identifying Early Warning Signs of Issues

• Noises: Unusual sounds like squealing brakes or whining motors can indicate a problem.
• Dashboard lights: Take action immediately if warning lights pop up.
• Leaks: Any visible fluid on the ground under your car could signal a problem with coolant, brakes, or other systems.

“Electric vehicles may have fewer moving parts, but that doesn’t mean they are free from wear and tear. Regular inspections help catch early signs of damage, especially for tires, brakes, and the cooling system.”

Proper Charging Habits

One of the most important aspects of electric car care is how you charge the battery. Improper charging can reduce your battery’s lifespan, leading to expensive repairs or even replacement.

Best Practices for Battery Longevity

• Charge wisely: Avoid keeping your battery fully charged for extended periods. Try to keep the charge between 20% and 80% for optimal battery health.
• Avoid rapid charging: Fast chargers are convenient but frequent use can reduce your battery’s lifespan. Save rapid charging for road trips or emergencies.

Pro Tip! Don’t leave your car plugged in once it hits 100%. It’s better for long-term battery health to unplug it once fully charged.

Avoiding Common Charging Mistakes

• Overcharging: As mentioned, leaving your battery at 100% for too long can lead to battery degradation.
• Not charging enough: Letting your battery run too low or completely die frequently can also harm battery health.

When to Seek Professional Help

Even though you can handle a lot of maintenance on your own, there are times when it’s best to leave things to the pros. Knowing your limits can prevent costly mistakes.

Recognizing Limitations of DIY Maintenance

• High-voltage systems: Electric cars contain high-voltage components that can be dangerous if not handled correctly. Leave any work on the battery or electrical system to a professional.
• Advanced diagnostics: If you see warning lights on the dashboard and can’t pinpoint the issue through basic checks, it’s time to take your car to a mechanic or dealership. Advanced diagnostics often require specialized tools and knowledge.

Here are the signs that indicate the need for expert assistance:

• Dashboard Warning Lights: While some warning lights may signal minor issues, others—especially those related to the electrical system or battery—require immediate professional attention.
• Unusual Sounds or Vibrations: If you notice strange sounds (like clicking, grinding, or whining) or vibrations that you can't explain, it's best to consult a mechanic. This could indicate a more serious underlying issue.
• Performance Issues: If your car’s acceleration feels sluggish, or you’re noticing a significant drop in range or efficiency, it might be time for an expert to take a look.

The Bottom Line

Caring for your electric or hybrid vehicle doesn’t have to be overwhelming or require advanced mechanical expertise. With the right attitude, a bit of knowledge, and some regular TLC, DIY maintenance could save you hundreds—even thousands—in repair costs. Plus, staying on top of these tasks ensures your ride stays smooth, efficient, and ready to roll wherever the road takes you.

The future of driving is here, and with smart car care, there’s no limit to the savings and satisfaction you can enjoy along the way.

Brian Alba, Editor

Brian is the numbers guru who loves unearthing clever financial shortcuts to keep your wallet happy. With his solid background in wealth management, Brian's always ready to drop some wisdom or a cheeky hack to help you ace the money game.