Your Opel Signum’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 Opel Signum’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 Opel Signum’s key fob fails. Table of … 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 Opel Signum is getting bad gas mileage. Before diving in, it’s important to note whether or not your Signum’s check engine … Read more
If your Opel Signum 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 Signum has spun a … Read more
When your Opel Signum 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 Opel Signum is experiencing poor handling, excessive wear on tires and suspension components, or a jarring noise, it likely has bad shocks or struts. If your Signum is experiencing any steering problems, it’s vital to check your car out immediately, as … Read more
The TPMS light indicates that your Opel Signum’s tire pressure is above or below the minimum threshold set by the manufacturer. The tire pressure monitoring system (TPMS) light is the most common warning light on a modern vehicle. If you have a TPMS warning light, your car’s tire pressure must be checked. If your Opel … Read more
P1174 and P1175 are GM-specific DTCs (Diagnostic Trouble Codes). They indicate fuel bank trim issues on bank 1 and bank 2 of your Opel Signum. Opel Signum P1174 + P1175 Quick Info GM P1174 + P1175 Definition Fuel Trim Cylinder Balance (Bank 1 or Bank 2) Symptoms Mild misfire, MIL light Common Causes Bad O2 … Read more
Does your Opel Signum have lights that come on and a clicking noise when you turn the key, but it won’t start? This article is meant to help you diagnose this exact scenario. The good news is that this is a fairly common no-start situation and is usually pretty easy to repair. A weak battery … Read more
If you find yourself in a situation where only one of Opel Signum’s windshield wipers is working, there’s a lot you can do to get it fixed at home. We know that when only one windshield wiper is working, your Signum’s windshield wiper motor is still functional. So we don’t need to check the windshield … Read more