The check engine is the most common warning light that appears in the Buick LaCrosse’s instrument cluster. Well over half of this site’s content is related to solving the various reasons why the check engine light comes on. The good news is that the check engine light indicates that there are Diagnostic Trouble Codes (DTCs) … Read more
If your Buick LaCrosse has a soft brake pedal, it is a sign of a serious brake system issue. It’s usually caused by air entering the system in some way through a leak. This article covers the six most common causes of a soft brake pedal as well as a solid diagnostic order if you … Read more
Most GM vehicles built in the last 20+ years have a theft deterrent system, that includes the Buick LaCrosse. Depending on the model year, your car’s theft deterrent system disables the fuel pump, ignitions system, or starter if unauthorized access is detected. When your vehicle LaCrosse theft deterrent system message, the system will not let … Read more
Your Buick LaCrosse’s alarm system is designed to detect potential intruders, keep its contents safe, and keep them from driving your car away. However, it is not uncommon for a car alarm to go off, or keep going off, for no apparent reason– also known as false or “nuisance alarms”. This article will discuss some … Read more
If your Buick LaCrosse’s key fob is not working, the most common reason is a dead battery. Followed by water damage or fob failure. Below, we’ve listed everything you need to do to get your car’s fob working again. A dead battery is the most common reason a Buick LaCrosse’s key fob fails. Table of … Read more
If you own a Buick LaCrosse and it’s idling rough, you may be feeling frustrated. In this article, we’ll look at some of the most common causes of a rough idle in the LaCrosse and how to fix the problem. The most common cause of a rough idle is misfiring. What an Engine Needs to … Read more
If you’re filling your car up regularly and still getting crummy mileage, there are a few things that could be to blame. In this post, we’ll explore some of the most common reasons your Buick LaCrosse is getting bad gas mileage. Before diving in, it’s important to note whether or not your LaCrosse’s check engine … Read more
If your Buick LaCrosse has metal shavings in the oil, it almost always indicates engine damage, but it’s not always easy to tell what is causing the issue. This article will help you figure out what’s going on with your car. Metal shavings accompanied by a knocking sound typically indicate your LaCrosse has spun a … Read more
When your Buick LaCrosse is in Park, its engine RPM level (revolutions per minute) should stay relatively even. If it doesn’t, there’s likely something wrong with your engine. If your car’s check engine light is on, we’ve provided the most common causes of RPMs going up and down while in Park and the common codes … Read more
Shocks and struts typically don’t last for the lifetime of a vehicle, If your Buick LaCrosse is experiencing poor handling, excessive wear on tires and suspension components, or a jarring noise, it likely has bad shocks or struts. If your LaCrosse is experiencing any steering problems, it’s vital to check your car out immediately, as … Read more