What connection exists between events shown on the timeline in 1833 and 1847

Some of the most expensive features in a car are:

Oversized wheels and Tires have become more and more common, particularly among luxury buyers.

Summer Tires, which despite being useful for specific driving conditions, all-season tires are good enough.

Four-Wheel Drives, despite being useful for specific driving conditions, require expensive repairs.

Performance Components, such as lower gas mileage, the maintenance schedule required, the cost of repairs

Built-In Navigation Systems are very expensive, and become obsolete rather quickly, in addition to being replaceable with a portable device

Explanation:

Camera- and Sensor-Based Systems add safety and convenience, although they may require expensive repairs when located near the bumpers. This is the one I consider the most important because it provides better security when driving, and the possibility of repairs can be avoided by placing the cameras inside so they don´t brake.