Overly Complex Design: An overly complicated exterior can appear chaotic and may fail to communicate a clear design message. Avoid adding unnecessary components or embellishments that don't contribute to the overall form or function of the car.

Poor Material Choice: Materials that don't match the car's style or purpose can lead to a disjointed aesthetic. Be cautious not to use cheap-looking or mismatched materials that could detract from the overall design quality.

Lack of Cohesion: A car design that lacks cohesion between its exterior and interior, or between different components, can appear disjointed and confusing. Avoid designs that lack harmony and continuity.

Impractical Elements: Design elements that look good but serve no real function or are impractical can detract from the usability of the car. Avoid designs that prioritize aesthetics over function to an extent that usability or comfort is compromised.

Ignoring User Comfort: Not taking into account the comfort of passenge