Why is my car heated, yet not to the point of overheating?

check your vehicle's MOT status online and schedule an appointment with a garage that performs MOT testing service and car repairs.
Complete an online MOT history checker to discover the expiry date and get any faults addressed before the MOT test, since this might result in a failure.
The temperature gauge is a device that monitors and controls the temperature of the engine in your car. This gauge should display the average temperature of the engine, which should be neither too hot nor too cold. When the temperature gauge suddenly increases, it means the temperature of your vehicle's engine has increased significantly, perhaps causing the engine to knock.
The presence of a rising temperature gauge does not always signal that the engine is overheating. It's also possible that a faulty temperature gauge is at blame.
We recommend going over your MOT certificate thoroughly to confirm your vehicle's MOT status and make any necessary repairs before your next MOT testing service is due.
If the overheating issue was a reason for a MOT test failure in the past, it will be determined by your previous MOT history records. If this is the case, review your repair invoices to determine what repairs have been made. If you don’t have all the previous MOT certificates, you can go online, and search check my MOT history under the government website.