No one likes to incur unanticipated cost, even the richest man in Africa will not want that to happen to him.

But a period of dry weather conditions can leave you with no choice than to keep close watch on your car. 

Weather forecasts of the Nigerian Meteorological Agency (NiMET) continues to edge up gradually in some parts of Nigeria.

There are more signs of warming in days and weeks to come.

While Lagos, Kaduna and some other cities are at 33 Degrees Celsius as at October 31, Minna in Niger State peaked at 35 Degrees Celsius.  

With this heat rising, your car becomes vulnerable.

Summer or harmattan heat can affect your car in diverse ways and here are 5 of such effects that you should watch out for. We have also added ways of addressing the issues and some preventive measures. 

1.   Ensure Your Engine Is Cool

effect of heat on cars.

In hot weather, ensuring that your car engine is cool is one thing you can do to help the engine perform better even as it works extra hard.

Proper maintenance of the cooling system is what you need at this time to ensure that the adverse effect of the heat on your vehicle is reduced.

Check to be sure your fans are working and that the radiator is filled with specified coolant.

2.  Check Your Fluids And Top Up

In periods of high temperature, doctors recommend that you drink plenty of water.

Your car also needs to have adequate fluids for it perform optimally.

Heat can cause your car fluids to dry up and this is extremely dangerous to the engine.


A drop in any fluid level will reduce its ability to serve as coolants and increase the chances of overheating or component damage.

Fluids to check are motor oil, transmission fluid, brake fluid and the water in the radiator.

3.   Battery Can Drain And Get Damaged

With the heat increasing, the battery life of your car and the terminals could be affected.
car battery

It is composed of water and acid and the heat can cause evaporation of the fluid, exposing the battery.

Parking your cars in a shade to keep internal temperature down will be a good idea.

Check the terminal head of your battery and clean corrosive build-up.

4.   Give Attention To Your Tyres

When the heat is high the rubber in the tyres of your vehicle dry out.

This condition causes the tyres to crack and sometimes bulge.

The pressure in the tyres rises when the weather is hot and this reduces the ability of the tyre to grip firmly on the road.

car trye and heat

The heat from the road when you do a long-distance journey with over-inflated tyres could endangering your live.

Checking your tyres on a regular basis to ensure they are not over-inflated is a good habit to imbibe.

Somewhere around the drivers chasis area, you will find the specific limit and tyre size for the car

A mechanic, Chisom Ezeamaka, recommends that you should check tread depth, the air volume when the temperature is high due to extreme heat from the sun.

5.   Ensure Air Conditioning System Is Working

Proper maintenance of your car’s air conditioning system helps ensure that the internal temperature of your car is cool enough to make your driving experience comfortable.

Maintaining a comfortable driving temperature inside your car is vital to reducing fatigue and keeping the driver alert. 

Beware Of Heat Stroke

Ensure you do not leave passengers or pets in your car at car parks when the temperature is high.

This can cause heat stroke and endanger the live of the individual or pet.

Also Read: You May Have Heat Stroke If...

Ensure that any bottle water you leave in your car now must be disposed off and should not be taken by anyone.

Research has shown that leaving bottle water in your car, which has a temperature of about 70 Degree Celsius on a very hot day, could result in contamination of the water in the bottle which could cause cancer.

Chemicals in plastics, mainly antimony (Sb) and Bisphenol A (BPA) can leach into any liquid in a plastic bottle, the research stated.