What do the A-pillar and B-pillar of a vehicle refer to?

[LeThomas]

Vehicle A-pillar and B-pillar refer to: 1. There are three pillars on both sides of the front windshield and front/rear door glass, which are the front pillar (A-pillar), middle pillar (B-pillar), and rear pillar (C-pillar) in order. They serve a supportive function; 2. The strength of the A, B, and C pillars is an important indicator of vehicle safety; 3. In the event of a rollover or overturn, the A, B, and C pillars can effectively prevent the cockpit from being crushed and deformed, providing protection for passengers inside the vehicle. Additional details: 1. The A-pillar of a vehicle is the pillar on either side of the front windshield, connecting the two front doors and the engine compartment. 2. The B-pillar of a vehicle is the pillar behind the driver's side where the seatbelt is anchored, also connecting the front and rear doors. 3. The C-pillar of a vehicle is the pillar at the rear that connects the roof to the rear end of the vehicle. 4. Some SUVs, MPVs, or extended sedans may have a D-pillar, which connects the rear end of the vehicle to the rear windshield.