A warning triangle ensures you can be seen if you have to pull over on the road. Franziska Gabbert/dpa-tmnWith weather extremes becoming more frequent in many parts of the world, be sure you have the equipment you need if you are taking a longer trip in your car.Road travel is being increasingly disrupted by hot weather in some regions, with infrastructure damage seen in Germany. Buckled road surfaces led to the temporary closure of motorways, while rail services were disrupted in some areas due to heat-related damage.Transport advisors say drivers should get essential items for vehicles, including basic tools and emergency clothing - and protect these items from heat. Medics too say in the hot weather, bring additional items with you.AdvertisementAdvertisementBritain's National Health Service says when the weather is hot, you need to bring:Bottled water or rehydration sachets to prevent dehydrationA thermometer to check for fever or overheatingCool packs or cold compressesAfter-sun lotion or aloe vera for sunburnSuncreamPain relief such as paracetamolA handheld fan or spray bottle with water for coolingConsider also hydration salt, gloves and wipes for cooling.General first aid kit and careIn general, drivers' first aid kits should contain bandages, antiseptic wipes and simple medical supplies.Bear in mind that in hot weather, these can degrade, says Work Safe Gear advice website.AdvertisementAdvertisement"The impact of heat on these kits in parked vehicles is often underestimated," experts note. Cars can become ovens, with interior temperatures soaring beyond 60 degrees Celsius within minutes.If your vehicle heats up, that can compromise medication stability, adhesive strength, packaging sterile conditions, seal integrity, glove performance and liquid safety.Store your first aid kit somewhere cool such as the boot to protect the items inside.Basic safety and emergency equipment for you carIn general, safety and emergency tools are crucial if you break down on the road so ensure you have the following to stay safe, says Britain's Automobile Association (AA).AdvertisementAdvertisementA spare tyre in the boot is key if you have a problem with your wheels. Check to ensure your spare tyre is sufficiently inflated and safe to use.You can check that with a tyre pressure gauge. "Properly inflated tyres help stop flats and make your car use less fuel and grip the road better," the AA says.Also bring with you the tools you need to change a tyre including a jack and wrench.If you have a tyre repair kit, you may also be able to fix punctures. Kits come with a sealant and compressor to temporarily fix a tyre to get you to the nearest repair station.Visibility and signallingPlace a warning triangle behind your car to help other drivers see you if you have to stop to reduce the risk of an accident, the AA says. Wear a high visibility vest so you can be seen if it is dark and you have to get out of your car in an emergency.AdvertisementAdvertisementJump start leadsJump leads are used to start a car with a dead battery by connecting your car's battery to another car's battery. These can also help you help someone else if you need to. An alternative is a portable jump starter, which stores enough power to start your car without needing another vehicle.Navigation and communicationGetting lost or not being able to communicate on the road can be frightening and dangerous. Having an atlas or map to hand is reassuring if your navigation system or phone should be unavailable for any reason.Charger for your devicesBring your mobile phone charger so you can use a car charger or power bank in case you need to check your directions or make a call, the AA says.SnacksBring non-perishable snacks - think muesli bars, nuts and dried fruit - can help on longer trips and if you are delayed for any reason.Have a first aid kit and other emergency essentials - and keep them cool - in your car in case the weather changes. Patrick Pleul/dpa