Cadillac ATS Heater Only Works While Driving: 5 Common Causes

If your Cadillac ATS’s heat only works when driving, there are five leading causes you should check.  They are low coolant, air pockets, a bad heater core, an airlocked cooling system, and a malfunctioning thermostat. We’ll start with the easy-to-check common problems and work our way to the harder-to-deal-with rarer issues that could be affecting … Read more

Cadillac ATS Check Engine Light On: Why and What to Do

The check engine is the most common warning light that appears in the Cadillac ATS’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

Cadillac ATS Soft Brake Pedal Causes

If your Cadillac ATS 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

Cadillac ATS Service Theft Deterrent System: Causes + Reset Procedure

Most GM vehicles built in the last 20+ years have a theft deterrent system, that includes the Cadillac ATS.  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 ATS theft deterrent system message, the system will not let … Read more

Cadillac ATS Alarm Keeps Going Off: Causes + How to Fix

Your Cadillac ATS’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

Cadillac ATS Key Fob Not Working: 5 Common Causes

If your Cadillac ATS’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 Cadillac ATS’s key fob fails. Table of … Read more

Cadillac ATS CarPlay Not Working: Causes + How to Fix

Do you need help getting Apple CarPlay to work in your Cadillac ATS? You’re not alone. Many people have experienced an issue with CarPlay connections, which can be frustrating.  The good news is the fix is usually pretty simple. This article covers the most common reasons Apple CarPlay isn’t working in the Cadillac ATS and … Read more