Motorists are being reminded to carry out vital maintenance checks on their vehicles as the UK prepares for its third heatwave of the year, with temperatures expected to exceed 30C in some areas.
Insurance firm Budget Insurance has issued advice on how to keep cars running smoothly in scorching conditions. Experts warn that hot weather can be more damaging to a car battery than cold, causing internal harm and shortening its lifespan. Drivers whose vehicles are slow to start or whose interior lights dim when cranking the engine may need a new battery, particularly if it is more than three years old.
Tyres are also a concern in high temperatures, as they can expand and crack, increasing the risk of a blowout. Motorists should ensure tread depth meets the UK and EU minimum of 1.6mm and that tyres are inflated to the correct pressure. Underinflated tyres not only increase drag and fuel consumption but also raise the likelihood of a blowout.
Checking coolant levels is essential to prevent the engine from overheating, especially before long journeys. In a tip described as 'strange', Budget Insurance advises topping up with both water and antifreeze, as a lack of antifreeze could cause engine damage when temperatures drop later in the year.
To save fuel and improve efficiency, the experts suggest leaving car doors and windows open briefly before setting off instead of immediately using air conditioning. For short trips, opening windows may be more economical than air con. Parking in shaded areas can also help keep the vehicle cool, reducing the need for air conditioning.
Electric vehicle drivers are encouraged to plan routes using apps such as Chargemap, Chargepoint and Octopus Electroverse to locate service stations and charging points. Chris Lawson, head of car insurance at Budget Insurance, said: 'Cars can struggle at this time of year, contending with hot temperatures and traffic jams, so it's important that drivers do all they can to minimise the risk of breaking down.'
