Spark Plug Maintenance: Replacement and Performance Tips for GMC Owners

Planning a road trip is exciting, but before you take on the road, it's important to make sure that your GMC truck is for the trip. A solid GMC truck maintenance routine before you leave can mean the difference between a smooth adventure and an unexpected roadside stop. If you're driving to someplace close to Stillwater, Oklahoma, or heading cross-country, this checklist will make sure your truck is in top shape before you go. Check Your Fluids First One of the important steps in any truck maintenance routine is checking your fluid levels. Before hitting the road, look at your engine oil, coolant, brake fluid, power steering fluid, and windshield washer fluid. Low or dirty oil can cause serious engine wear over long distances. If your GMC truck is due for an oil change, it's best to get that done before your trip rather than during it. Inspect Your Tires Carefully Check the tread depth on all four tires and look for any visible damage like cuts, bulges, or uneven wear. Don't forget to check the tire pressure, including the spare. Underinflated tires affect fuel efficiency and handling, which matters a lot on a long haul. more Test Your Battery and Electrical System Have your battery tested if it's more than three years old. Also check that all exterior lights are working, including headlights, taillights, brake lights, and turn signals. Replacing a bulb before your trip is a simple fix that keeps you safe on the road. Review Your Brakes If you've noticed any squealing, grinding, or a soft brake pedal on your GMC truck, have a technician look at the pads and rotors before you leave. Even if things feel fine, a quick inspection as part of your regular truck maintenance is always worth it. Pack an Emergency Kit No maintenance checklist is complete without preparing for the unexpected. Road conditions can change quickly. Keep a basic emergency kit in your truck that includes jumper cables, a flashlight, a first aid kit, a reflective triangle or flares, and a tire inflation kit. Visit Wilson GMC Stillwater for a Pre-Trip Inspection The team at Wilson GMC Stillwater is ready to help. Scheduling a service visit before your road trip can get done online, and you can have peace of mind visiting our GMC dealership for certified service.

Stillwater, Oklahoma drivers who need a practical, efficient small SUV don’t need to give up premium features and outstanding capability. The 2026 GMC Terrain is overflowing with advanced standard features, including a long list of safety systems, a turbocharged engine, and an array of upgrades, packages, and more. Here's a closer look at what the Terrain brings to the table. A Trim for Every Driver The 2026 GMC Terrain presents its 3 trim level options—purposeful and feature-rich without overwhelming you with choices. Right from the introductory Elevation, you get standard heated front seats and steering wheel, a stunning 15” touchscreen, driver assistance systems such as Intersection Automatic Emergency Braking. For the thrill-seeker, stepping up to the AT4 dominates any landscape. It’s off-road-ready from the factory with a lifted ride height, red front recovery hooks, a front skid plate with a steel underbody shield, and all-terrain tires. It’s built for drivers who want more capability without leaving daily comfort behind.  At the top of the lineup, the luxurious Denali trim welcomes you in with heated and ventilated front seats and heated 2nd-row outboard seats, 19-inch Midnight Silver machined-face aluminum wheels or 20” After Midnight-finished wheels, a unique grille, and more. more Technology That’s Exciting This small SUV shows off a standard, massive 15” touchscreen. Up to 8 camera views, including HD Surround Vision and the Rear Camera Mirror, help you navigate tight spots with more confidence. The combination of a large display, intuitive software, and actually helpful additions make the Terrain cabin feel like it’s working to enhance your life behind the wheel. Safety Features You Can Count On Over 16 standard safety and driver assistance features are built in to instill confidence on any road, in any parking lot, and on any terrain. Every trim includes highlights like: Front Pedestrian and Bicyclist Braking, Blind Zone Steering Assist, Rear Park Assist, Rear Cross Traffic Braking, Adaptive Cruise Control, and Forward Collision Alert. This isn’t just a sampling of extras—every Terrain has them. But multiple extra features are available for extra confidence. Practical Cargo Space and Capability The Terrain offers up to 63.5 cu. ft. of cargo volume, letting you flex from grocery hauls and backpacks to luggage and even furniture in a snap. A rear cargo underfloor storage compartment and front center console passthrough add even more pointed space for essentials. The Terrain runs on a 1.5L turbocharged 4-cylinder engine delivering robust horsepower. When properly equipped, the Terrain can tow up to 1,500 lbs. so it can handle all your adventure gear or a small trailer.   From smart technology and strong safety features to versatile cargo space and a turbocharged engine, the 2026 GMC Terrain is built to fit your life. Stillwater, Oklahoma drivers can explore the full lineup and find the right trim to match their needs by visiting Wilson GMC Stillwater. or coming in for a test drive.

Whether you have a truck or SUV, it asks a great deal from its tires. They support vehicle weight, transfer engine power to the road, absorb impacts from imperfect surfaces, and provide the grip needed for safe braking and confident cornering. Yet despite their importance, tires are often overlooked until a warning light appears or tread begins to disappear. For drivers in Stillwater, OK, proper GMC tire care is a valuable investment you can make in your vehicle. Why Truck and SUV Tires Work Harder The demands placed on a GMC Sierra 1500, Sierra HD, Canyon, Yukon, or Yukon XL can be very different from those experienced by a typical passenger car. Many GMC owners tow trailers, haul equipment, transport families, or travel long distances across Oklahoma. Those additional responsibilities create extra heat, additional load, and accelerated wear on the tires. more A Sierra HD towing a trailer places substantially different demands on its tires than a lightly loaded commuter vehicle. That's why routine inspections and maintenance become increasingly important as capability increases. Tire Pressure: A Simple Check You Can Make Modern vehicles are often equipped with tire pressure monitoring systems, but that doesn't eliminate the need for regular checks. Temperature swings in Oklahoma can affect inflation pressure. A tire operating below its recommended pressure can experience accelerated shoulder wear, reduced fuel efficiency, and compromised handling. Overinflation can reduce ride comfort and increase susceptibility to impact damage. Checking tire pressure monthly and before long trips remains one of the easiest ways to maximize tire life and maintain the driving characteristics of your GMC. Rotation Helps Protect Your Investment Front and rear tires may not wear at the same rate. Steering forces, braking loads, drivetrain configuration, and towing responsibilities all influence how individual tires wear over time. Rotating tires at the intervals recommended by GMC helps distribute that wear more evenly. For many GMC trucks and SUVs, tire rotation intervals typically coincide with routine oil service visits, making it easy to maintain a consistent schedule. The result is often longer tire life, improved ride quality, and more predictable handling throughout the life of the tire set. Alignment Is About More Than Driving Straight Many drivers associate wheel alignment with a vehicle pulling left or right. In reality, alignment settings influence tire wear long before steering concerns become noticeable. A slight misalignment can gradually remove thousands of miles of potential tread life without creating an obvious symptom. If your steering wheel appears off-center, your vehicle drifts on a level road, or you notice unusual tread wear patterns, a tire alignment inspection is worth scheduling. For truck owners who tow regularly or frequently encounter rough road surfaces, periodic alignment checks can be particularly beneficial. Understanding Tread Life and Tire Condition Tread depth remains an important indicator of tire health. As tread wears, the tire's ability to evacuate water diminishes, increasing the likelihood of hydroplaning during heavy rain. Regular inspections allow technicians to monitor remaining tread depth and identify uneven wear patterns that may indicate underlying concerns. It's also important to inspect sidewalls for cuts, bulges, or impact damage. These conditions can compromise tire integrity and should be addressed promptly. For GMC owners who frequently travel between Stillwater, Oklahoma City, Tulsa, and surrounding communities, maintaining healthy tread depth is essential for year-round confidence behind the wheel. Keep Your GMC Ready for Every Mile Ahead Proper inflation, routine rotations, alignment checks, and regular inspections all contribute to safer driving and longer tire life. Drivers throughout Stillwater and the surrounding region can trust the service team at Wilson GMC Stillwater to help keep their trucks and SUVs performing at their best. Schedule your next tire inspection or rotation and give your GMC the attention it deserves before the next journey begins.