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3 Signs Your Kia's Battery Needs Replacement

Kia Battery in Shiloh, IL

Your car battery will gradually wear out as the chemicals inside break down. When this happens, the battery's electricity storage capacity drops. Eventually, it won't retain enough power to start the engine. As your Kia dealership, we want you to know several signs you may need to visit us for a battery replacement.

Old Battery

A car battery has an average lifespan of three to five years. It can last up to six years, but it can also fail earlier due to a damaged alternator, extreme weather, or other issues. While a battery will show signs it's getting weaker, like slower starting or dim lights, you don't have to wait for these issues to appear.

We recommend regular annual battery testing, starting in your battery's third year. Our technicians will connect your battery to our computerized battery tester. This machine subjects the battery to various stress tests to identify potential issues. If your battery passes the test, you have peace of mind that it won't fail unexpectedly. If it fails the test, we can install a replacement while you wait.

Damaged Alternator

The alternator is a mini generator that produces electricity for your Kia's systems. Its secondary function is to recharge the battery to ensure it contains a full charge. When the engine starts, the alternator will begin recharging the battery. It charges the battery at full power for ten minutes, then switches to a reduced recharging rate of 10% of battery capacity.

The reduced recharging rate is essential to protect the battery and alternator from unnecessary wear and tear. If your alternator is damaged, it may not switch to a reduced charging rate. If this happens, the alternator continues to charge the battery at full power. This can cause the battery's electrolyte to boil, and you'll smell a rotten egg smell. We'll replace the damaged alternator and test the battery, replacing it if necessary.

Corroded Battery Terminals

If you pop the hood and see a gray, green, or white salt-like substance around the terminals, you need a new battery. This substance is corrosion, and it's formed by hydrogen sulfide gas. Hydrogen sulfide gas forms in your engine when a weak battery releases hydrogen as a byproduct of its chemical breakdown.

The hydrogen joins with sulfur molecules to form hydrogen sulfide, a colorless gas that smells like rotten eggs. Hydrogen sulfide is drawn to the battery terminals and forms an acidic salt that will gradually eat through the terminals. We can clean the corruption, but it will return as long as the battery continues to fail. Once we install a new battery, corrosion won't reappear.

Don't risk a battery failure. Contact us today at Auffenberg Kia in Shiloh, IL.

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Preparing Your Kia for the Change from Summer to Fall

Late summer is an interesting time for a car. The heat hasn't necessarily gone anywhere, but cooler mornings, wetter roads, shorter days, and longer seasonal trips are approaching. The vehicle has to cope with both sets of conditions, often within the same few weeks. A little Kia maintenance before the seasons turn can therefore be particularly useful. For drivers around Shiloh, IL, this is a sensible time to inspect the parts that have worked through the summer and prepare the vehicle for what autumn will ask of it. Begin Where the Kia Meets the Road Tires deserve an early place on any road trip checklist because temperature changes can affect inflation pressure. Check each tire when cold against the recommended pressure on your Kia's tire placard, and inspect the tread for uneven wear, cuts, bulges, or other visible damage. Brake condition deserves similar attention. If you've noticed squealing, vibration, changes in pedal feel, or reduced braking response, arrange an inspection rather than waiting for your next long journey. Even without obvious symptoms, follow the inspection schedule recommended for your specific Kia. If you're already planning a tire rotation or other routine Kia service, combining these checks into the same appointment can make seasonal preparation considerably simpler. Fluids Need More Than a Quick Glance Summer driving can expose a vehicle to sustained heat, so heading into fall is a useful opportunity to check its fluids and scheduled service requirements. Engine oil should be changed according to the maintenance schedule for your particular Kia. Coolant is equally important, helping the engine maintain the appropriate operating temperature as outside conditions change. Brake fluid and other vehicle fluids have their own inspection and replacement requirements. Low fluid levels can also indicate a leak or another issue, so simply topping off a reservoir isn't always the correct solution. Our Kia service department can check the appropriate fluids and maintenance items for your specific model before your next road trip. Autumn Makes Visibility Increasingly Important Shorter days mean more driving around dawn, dusk, and darkness. Add autumn rain and a windshield covered in wet leaves, and visibility can deteriorate remarkably quickly. Inspect the wiper blades for cracking, skipping, or streaking, and keep the windshield washer reservoir properly filled. Check the headlights, brake lights, turn signals, and other exterior lighting as well. The cabin air filter is another maintenance item worth checking according to your Kia's recommended schedule. A filter due for replacement can restrict airflow through the climate-control system, which becomes increasingly noticeable as you begin using the heater and defroster more often. You can explore our Kia parts department if your vehicle needs replacement wiper blades, filters, or other seasonal maintenance items. Give the Battery Some Attention Before Colder Mornings Arrive A battery can appear perfectly content during warm weather and become less convincing once temperatures fall. Battery age, condition, connections, and charging-system performance all influence reliable starting. If the engine has begun cranking slowly or the battery is approaching the later stages of its expected service life, testing it before colder weather arrives is sensible. A professional Kia maintenance visit can also provide an opportunity to inspect other components that have endured months of heat, including accessible belts and hoses. Get the Kia Ready Before the Season Changes Good seasonal maintenance isn't about replacing everything because the calendar says September is approaching. It's about inspecting the systems affected by changing conditions, following the maintenance schedule for your Kia, and dealing with developing problems before a longer drive exposes them. Before your next late-summer trip or fall getaway, explore our Kia service options and current service specials at Auffenberg Kia near Shiloh, IL. Schedule a service appointment online and let our team help prepare your Kia for cooler mornings, wetter roads, and the miles waiting beyond summer.

Red Kia K4 on road

Why You Should Buy a Kia K4 Service Loaner From Auffenberg Kia

First of all, we bet you're wondering, what Is a Kia K4 Service Loaner? A Kia K4 service loaner is a vehicle that a dealership uses temporarily to provide transportation to customers while their own cars are being serviced. They are part of the dealership's active fleet, which means they are maintained to high standards throughout their time in service. Once they are retired from loaner duty, they become available for purchase often at a compelling value compared to a brand-new model. The 2026 Kia K4 is a sharp, agile sedan with a modern design that stands out in its class. It offers a stylish interior, responsive handling, and a range of tech features that make everyday driving genuinely enjoyable. Picking up a service loaner is a smart way to get into this vehicle without paying the full sticker price of a new car. The Service Loaner Benefits One of the biggest benefits to purchasing a service loaner vehicle is the condition of the vehicle itself. Because these cars are used as courtesy transportation for customers, they are regularly inspected, cleaned, and kept in excellent mechanical shape. Dealership technicians handle any needed maintenance along the way, so the vehicle's history is well-documented and trustworthy. Another key service loaner benefit is the relatively low mileage these vehicles typically have. Since they are used locally and for short-term transportation needs, they often have far fewer miles than a typical used car of the same age. That means you get a nearly new car at a reduced cost. Why the Kia K4 Makes a Great Loaner Purchase The Kia K4 is one of the more exciting sedans in the current Kia lineup. Its bold exterior styling and well-appointed cabin make it feel premium without the premium price tag. The K4 also supports Kia Connect, which gives drivers access to vehicle connectivity features that enhance convenience, security, and comfort daily. Buying a Kia K4 service loaner also means you are getting a vehicle that has been operated and cared for by dealership staff who know Kia products inside and out. Why Choose Auffenberg Kia Auffenberg Kia is a trusted resource for drivers in Shiloh, IL, who are looking for quality vehicles and a straightforward buying experience. When you purchase a Kia K4 service loaner here, you are working with a team that understands the product and can walk you through the vehicle's complete service history with transparency. Kia also backs its vehicles with an industry-leading warranty, and depending on the terms, some of that original coverage may still apply to a service loaner purchase. That added peace of mind makes the decision even easier for buyers who want reliability without sacrificing value. Is a Kia K4 Service Loaner Right for You? If you are in the market for a stylish, well-maintained sedan and want to make the most of your budget, a Kia K4 service loaner deserves a close look. You get a vehicle that has been professionally cared for, carries low mileage, and comes backed by the expertise of a reputable Kia dealership. This is the kind of purchase that checks a lot of boxes quality, value, and confidence all in one package. Come in and see us at Auffenberg Kia to see what Kia K4 service loaner options are currently available and find the one that fits your needs.

Happy family enjoying a summer road trip in their Kia

Summer Road Trip Tips for Kia Drivers Heading Out This Season

There's something about longer days and warm weather that makes the open road feel like an invitation. For Kia drivers, summer is the perfect season to take advantage of everything your vehicle has to offer — from responsive powertrains to cabin technology designed for long-distance comfort. So, if you're planning a weekend getaway or a cross-country adventure, these summer road trip tips for Kia drivers will help you make the most of every mile. Check Your Kia Before You Leave the Driveway Knowing how to prepare your Kia for a summer road trip starts well before you back out of the garage. Heat can put extra strain on your vehicle's systems, so a quick pre-trip inspection goes a long way. Check your tire pressure, since hot pavement can cause pressure to fluctuate and affect handling. Look over your coolant level to make sure your engine stays at a safe operating temperature during long highway stretches. Don't forget to top off your windshield washer fluid, inspect your wiper blades, and verify that all lights are functioning properly. If your Kia is due for an oil change or a routine service visit, it's worth scheduling that before you hit the road. A well-maintained vehicle is a reliable one, and summer road trips are better with a well-maintained vehicle. Make the Most of Your Kia's Technology One of the best parts of driving a Kia on a long trip is the cabin technology built to keep you connected and comfortable. Many Kia models offer available wireless Apple CarPlay® and Android Auto™ integration, so your navigation and playlist are always within reach. Kia Connect, available through the Kia Access app, allows you to monitor your vehicle remotely, which is especially helpful when you're making stops along the way. If you're driving one of Kia's hybrid or plug-in hybrid models — like the 2026 Sorento Hybrid or the 2026 Sportage Hybrid — your vehicle's energy management system is already doing some of the heavy lifting for you. Knowing how to prepare your Kia for a summer road trip also means understanding your powertrain's strengths and planning fuel or charging stops accordingly. Pack Smart and Use Your Kia's Space Wisely Kia's lineup of SUVs and crossovers offers generous cargo space, but packing strategically still makes a difference. Heavier items should sit flat on the cargo floor, while frequently needed items — like snacks, sunscreen, or a first-aid kit — should stay within easy reach. Avoid blocking your rear visibility and consider investing in genuine Kia cargo organizers or accessories to keep things tidy throughout the trip. If you're traveling with kids or pets, comfort and entertainment are just as important as the gear you bring. Many Kia models offer available rear USB ports and dual-zone climate control, which makes managing different comfort preferences much easier. These are practical summer road trip tips for Kia drivers that can reduce stress on even the longest drives. Stay Safe and Road-Ready All Summer Long Safety should always be part of how you prepare your Kia for a summer road trip. Many Kia models include available driver assistance features such as forward collision avoidance assist, lane keeping assist, and driver attention warning — all designed to help reduce fatigue and keep you alert on long stretches of highway. Familiarize yourself with the features on your specific trim so you know what's available and how to use them effectively. It's also a good idea to keep an emergency kit in your cargo area. Include items like a phone charger, jumper cables, a flashlight, water, and basic tools. Visit Us Before Your Next Adventure Summer road trip tips for Kia drivers come down to a few simple priorities: prepare your vehicle, use your technology, pack smart, and drive safe. From pre-trip maintenance checks to making the most of your Kia's cabin features, a little planning goes a long way toward a smoother, more enjoyable journey. Knowing how to prepare your Kia for a summer road trip means you can spend less time worrying and more time enjoying the ride. Stop by Auffenberg Kia at 1155 Berg Boulevard, Shiloh, IL 62269 to explore the current Kia lineup and schedule your pre-trip service today.