Automobile Cooler Explained | From Engine Cooling to Onboard Mini-Fridges

In terms of comfort while driving a vehicle, along with properly performing, they do not receive attention with the cooling systems. If it is not about the temperature of the engine, it is about car drinks while on a road trip. Coolers, motor vehicle refrigerators, make a world of difference in how we utilize vehicles.  

The mechanics beneath the bonnet of the car along the cabin refrigerator that is gaining popularity, “automobile cooler,” has a lot under it. But what is the meaning of all this? Which car has a built-in cooler? Can 12 volt coolers work? What is the cooler on a car called?  

No matter if you are in summer traffic, have planned a visit to the lake district or are UK drivers, this guide seems to be helpful for all in understanding the car cooling system.

What Is The Car Cooler Named?  

First, let’s address a frequently asked question: “What is the cooler on a car called?”  

Most of you know that the car’s radiator is the most well known cooler, as it’s in the car’s coolant system. It’s one of the most critical components of the car’s cooling system, because it prevents overheating of the car engine. It does so by removing heat from the engine coolant and blowing air through vents located at the front of the vehicle.  

• Other “coolers” within cars include:  

• Oil cooler – It regulates the temperature of oil within the engine.  

• Transmission cooler– It maintains the temperature of an automatic transmission fluid.  

Intercooler– Used in turbocharged engines. It decreases the temperature of the compressed air prior to entering the engine.  

Based on the particular section of the engine being addressed, the term “cooler” may mean different things. Regardless, the most known name used for coolers of engines is radiator, and that is also the most commonly known.  

What Does a Cooling System Mean For Automobiles?  

The follow up question is: “What is the cooling system of the automobile?”  

The cooling system is a set of a network which regulates the amount of heat produced between the engine, oil and water. An automobile engine produces plenty of heat during fuel combustion. In the event there isn’t a good cooling system the machine might be damaged.

Here’s a quick breakdown of how it works:  

1. Coolant (Antifreeze)

A fluid known as coolant, which is a combination of water and ethylene glycol, circulates through the engine capturing heat. The purpose of this fluid is to prevent it from boiling and freezing.

2. Radiator

This serves as a heat exchanger. Hot coolant is sent through the thin tubes in the radiator and a fan blows air over the surface to cool the liquid.

3. Water Pump

This device ensures the coolant is always in motion. It is also belt-driven and operates whenever the engine is on.

4. Thermostat

This device controls the flow of coolant to the radiator, depending on the engine’s temperature.

5. Cooling Fan

An electric or belt-driven fan that is turned on when air circulation is required—like during traffic.

Your engine is likely to overheat, warp or seize without this setup working in sync.

In the UK, having a cooling system that works well is not an option due to the frequent stop-start traffic and long journeys.

As summer approaches and becomes available for a road trip, drivers in the UK have concerns beyond engine cooling. This is the moment when 12V coolers become relevant. But the significant concern is:

Do 12V coolers really work?”

Yes, but it does have some limitations.

12V coolers, also called thermoelectric coolers, are plugged into the cigarette lighter or power ports of cars. They use electric current to cool food and drinks, and some can even heat items.

Pros:

Easy To Use

Portable

No Ice Required

Affordable

Cons:

Not as cold as compressor fridges

Slower cooling

Can drain battery if the engine is off

For day trips, a 12V cooler is ideal for storing snacks, sandwiches, and water bottles. If you are going on a camping trip or transporting temperature sensitive items, you might want to consider a higher end compressor model.

In short, 12V coolers do work, but there are some limitations.

Which Cars Have A Built-In Cooler?

A common question for drivers who love comfort is: “Which cars have a built-in cooler?”

Built-in mini-fridges or cooled storage compartments, usually located in the glovebox, centre console, or rear armrest, are rarely found in most vehicles sold in the UK. However, some premium and luxury cars do come with these features.

Here are a few examples (availability may vary by trim and year):

Skoda Superb

Known for surprising features, some trims include a cooled glovebox or drinks compartment. Great for long journeys

Range Rover  

Luxury road models are able to have a refrigerator in the center console. This is great for high-end vacations.  

Mercedes-Benz S-Class  

Usually equipped with a refrigerator in the middle of the rear seats on executive style seating.  

BMW 7 Series  

Optional cooler boxes are available in some models, particularly in the long wheelbase variations.  

Rolls-Royce Ghost and Phantom  

It is no surprise that the absolute best in luxury comes with built in champagne chillers.  

These features are not typically found in most models but there are a few used options lying around that come with cool storage.  

Which is Better, Built-In or Portable?  

If your car does not come with a built in cooler, purchasing a 12V cooler instead might be a better idea.  

Portable Coolers:    

• Adaptable

• Can be removed and used anywhere, such as at the beach or a picnic

• More affordable

• Does not depend on make or model of the car  

Built-In Coolers:  

• Integration

• More powerful than portable models

• Does not occupy trunk or cabin space

If it’s not installed, a 12V unit would suffice. However, for those that take frequent long drives or prefer a clear interior, a built-in option is ideal—provided the vehicle allows it.

Guidelines for Traveling During a Hot Weather (For UK Drivers)

While warming your drinks or even your vehicle, listen to this advice and tips that will help British drivers remain calm.

Checking Coolant Levels

Do not forget to check your coolant reservoir from time to time, and also before long journeys, pop the bonnet. Make sure to use the correct wipes and mixtures of the car. 

Service your car’s cooling system.

You need to flush and change coolant every few years along with the thermostat, pumps and radiator caps.

Do not use coolers that are connected to 12V outlets too much.

With too many gadgets plugged in from one power socket, you run the risk of blowing a fuse. This makes it essential to use quality adaptors, and keep an eye on battery voltage when the motor isn’t running and make sure to verify the voltage during the shutdown process of the device for lower energy consumption.

Don’t forget Parkway, you’re cooler in pre-chilled water.

Make sure you plug your 12V Coolers at home after placing it in the car to pre-chilled water, so switch your 12V Coolers at home. It is beneficial for the performance of the device during the journey as well.

Common Problems with UK Car Cooling Systems  

This is a list of some problems UK drivers may experience with their car cooling systems and how to identify them.  

Overheating Engine  

If your temperature gauge is reaching the red and seems like it’s going to be in the red zone shortly, pull your car over and allow it to cool. Whatever you do, do not open the radiator cap while it’s hot.  

Coolant Leaks  

Is there coolant leaking underneath your car? Look for green, pink, or orange puddles. If you see them get them checked because it is better to be safe than sorry.  

Broken Thermostat  

If the engine is taking too long to get warm or gets too hot very quickly, chances are the thermostat is stuck. It’s a cheap part to replace, but an essential one.  

Faulty Cooling Fan  

If you notice your car does not overheat while driving on the motorway, but does while sitting in traffic, the cooling fan might not be fully functioning. This is usually an electrical problem.  

Does Having EVs On The Road Change Something With the Cooling System?

Absolutely, yes.  

Even though electric vehicles (EVs) don’t possess traditional combustion engines, they still require cooling of some components. Parts such as battery packs, motors, and inverters tend to get excessively hot, especially while being fast charged or during high speed driving.  

Liquid cooling systems are commonly used by EVs, and some even use active thermal management in order to keep the battery within optimal temperature range.  

For drivers, this means that no matter what, EVs have to be focused on—but in a differing manner.

Concluding Remarks  

As you can see, Cooling goes beyond comfort; it is critical for safety, efficiency, and preserving the life of your vehicle. From peeking under the bonnet to loading the trunk with road trip goodies, coolers serve many functions in today’s automobiles.  

To wrap up:  

What is the cooler on a car called? Typically, it is the radiator, but other coolers exist.  

What is the automobile’s cooling system? A configuration that maintains safe temperatures on the engine using coolant, radiators, fans, and other peripherals.  

Which cars come with built-in coolers? Mainly luxury vehicles or high-end models like the Range Rover or the Mercedes S-Class.  

Do 12V coolers actually work? Yes, they are excellent for everyday purposes, but not meant to be mini freezers.  

From now onwards, whenever you step out, either for work, a holiday, or a long drive, remember not to neglect the cooling aspects. It could be the deciding factor between a smooth drive and a steaming bonnet.