Core Viewpoint - The article highlights the potential dangers associated with the improper placement of the CPC card (Composite Pass Card) in vehicles, particularly when placed near wireless charging pads, which can lead to overheating and even explosions [1][3]. Group 1: CPC Card Risks - The CPC card can overheat, swell, or even explode if placed on or near a car's wireless charging pad due to the electromagnetic field generated during charging [3][5]. - The internal components of the CPC card, such as microchips and antennas, can generate significant heat through the "eddy current effect" when exposed to the electromagnetic field [5][6]. - Proper usage guidelines include keeping the CPC card away from wireless charging areas and ensuring it is stored in designated compartments [5][6]. Group 2: General Safety Hazards in Vehicles - Other items, such as bottled water and glasses, can also pose fire risks when left in vehicles due to the lens effect of sunlight focusing heat [6][8]. - Items like lighters and certain perfumes can explode or ignite under high temperatures, creating significant safety hazards [8][10]. - Electronic devices, particularly those with lithium batteries, are at risk of swelling or exploding in high-temperature environments, especially if they are of poor quality [10][12].

Core Viewpoint - The trending topic "Do not put small dolls in the car" on Weibo highlights the potential dangers of keeping decorative items in vehicles, particularly in the event of an accident [1][2]. Group 1: Dangers of In-Car Decorations - A user shared a warning that in the event of an accident, decorative items can act like bullets when airbags deploy, posing a risk of injury to passengers [4]. - Many users have shared their own experiences or observations regarding the dangers of in-car decorations, emphasizing the need for caution [6]. Group 2: Recommendations for Safe Car Practices - It is advised to minimize the use of hanging decorations and items on the dashboard, as they can distract drivers and obstruct visibility, significantly impacting driving safety [11]. - Items such as perfumes and lighters should not be kept in cars due to the risk of explosion from high temperatures or fire, which can lead to severe safety hazards [12]. - The use of sunshades on the dashboard is discouraged as they can interfere with the proper functioning of electronic components and may affect airbag deployment [12]. - Caution is advised when installing steering wheel covers, as ill-fitting covers can reduce grip and control, increasing the risk of accidents in emergencies [13].