Summer heat, the car ignition, puncture accidents also will increase. Doing routine maintenance on vehicles, while also pay attention to small details. Many drivers have the habit of smoking in the car, and used readily on the center console of the gas lighter on the shelf, in fact, this is very dangerous. Because disposable gas lighters in the thermal expansion of gases, plastic shell exploded due to heat and experience, once with the car some of the oil, flammable substances close to the fire, the consequences would be disastrous. In addition to other lighter, mousse, hair gel, carbonated soft drinks and other possible high-temperature explosive things can not be placed in the car. Reading glasses and magnifying glass can not be placed in the car. Because reading glasses are convex, easy to light together, if the long focus light, resulting in the focus of high temperature, in addition to speed up the interior of the aging, but also a serious roast bad car plastic trim, and even lead to spontaneous combustion vehicles . The principle of reading glasses and magnifying glass almost, can focus the light causing the focus of temperature. Therefore, the height of summer can focus the light of such items should be cleared out of the car. In addition, some owners love photography cameras often stood in the car, camera and extra batteries. This is very dangerous. For some electronic products, such as digital cameras, MP3, mobile phones, such items are sophisticated circuit boards and other components form, long exposure, although the possibility of an explosion is very small, but easy for these electronic products damage. The battery in the car even more dangerous, high-temperature environment and even the battery pack will happen drum explosion, in particular, to remind owners, not to cell phone batteries, digital camera batteries placed in the top of the car and the solar brunt of the rear center console between the racks and glass windows on. In addition, many owners have placed in the trunk in the habit of mineral water, so drink up that easy. But summer in the car of bottled water on human health is very bad. Because bottled water is often used in PET bottles that could cause human chronic poisoning of bisphenol A and other substances. Especially when the bottle placed in the trunk in a high temperature, the temperature change will make PET bottles, leading to more precipitation of harmful substances into the water and become health hazards.