Oliver's company should use Guerrilla advertising for the new cars.
Explanation:
Guerrilla advertising has gained prominence over the last 20 years, also defined as ambient advertising.
For something unusual, it is a common term that typically encourages the user to take part or to engage in a way with it. Place, like time, is critical.
Creative ideas and creativity are the driving forces behind clandestine advertising and marketing, not a massive budget. Very often with these promotions you will ask for forgiveness, not permission, and will distribute it through word of mouth and social media.
For example, use of promotional campaigns, viral videos, and graffiti stencils.