In the Quest for the Perfect Car Scent, Ford Assembles Team of Super Smellers

Automotive Press Releases Thursday May 11, 2017 12:28
Bangkok--11 May--Hill+Knowlton Strategies

Smell is the most sensitive and powerful of the five senses, and the one most tied to memory and emotion. It affects 75 percent of our daily emotions and can influence mood, well-being and pleasure[1]. Smells can create lasting connections between a brand and its customers.

The perfume industry has been built around this connection. Fragrances are developed to evoke a range of emotions from desire to vitality and relaxation. And who hasn't been drawn into a supermarket or cafe by the smell of baking bread or freshly brewed coffee?

Car designers are increasingly competing to deliver the perfect car scent in each market. For Ford Motor Company, smell is a crucial aspect of delivering high quality vehicles to customers.

"Smell is one of the most important factors when people buy a new car," says Andy Pan, an engineer who leads Ford's Asia Pacific odor laboratory. "We test everything that goes into our vehicles to ensure they look, feel and smell just right. It's all part of delivering the best customer experience to drivers and passengers."

Since 2008, Ford has been continually expanding its Asia Pacific odor laboratory in Nanjing, China. Today, the team consists of 18 'super smellers', who conduct about 300 odor tests each year on materials and components that go into its Asia Pacific vehicles.

No smoking

Every year Ford runs an application process to select its team of super smellers in China. Would-be testers can come from any department within the company and are asked to judge material samples in 16 jars. They are judged on their smelling ability and consistency, but must also meet other requirements to qualify for a spot on the prestigious panel.

"You can't smoke or have allergies and sinus issues," says Mike Feng, a Ford smell tester for four years. "Wearing perfume, leather jackets or nail polish is also not allowed, and you shouldn't use strongly scented shampoo to ensure your senses aren't compromised."

Ford's super smellers must requalify annually to maintain their position on the panel and must be available to attend regular odor tests throughout the year. A small group of six panelists form the smell jury for each test and an average of their scores is given to each material sample.

"I've always been able to smell things before other people," adds Feng. "My colleagues say that I can smell what the canteen is serving for lunch before anyone else."
Different markets, different smells

Scents don't smell the same to everyone – scientists put it down to genetics[2] – so Ford has odor labs in the U.S., Europe and Asia Pacific to make sure its vehicles appeal to customers all over the world. While the traditional 'new-car smell' is popular in markets like Australia, in China people prefer more subtle aromas. In fact, odor-related complaints topped the charts as the most frequently reported problem in the JD Power 2016 China Initial Quality Study for the second consecutive year.

"Leather is a challenging material as markets respond very differently to it," says Pan. "Chinese customers can be turned off by the smell of new leather. We need to be careful to select materials that will please all international tastes."

Everything used in a Ford vehicle – like seat fabric, plastics or carpet – is odor tested. According to Ford's testing criteria, materials should have an odor that is perceptible, but not disturbing. If anything is deemed too smelly, Ford works with the supplier to remedy the issue or explore other options.

From bean jars to odor chambers

To test how a car will smell when it's mass manufactured, Ford tests material samples using simple domestic tools: glass jars and ovens. It has repurposed ordinary three-liter glass mason jars – normally used to store household items like pasta or dried beans – into mini environmental chambers that can replicate real world conditions.

The material samples are scaled to their relative size in the vehicle and put into the jars, which are heated in an oven to three distinct temperatures: 80, 40, and 23 degrees Celsius.
Testers add water to the 40- and 23-degree jars to create a humid environment.

"The materials used in our cars need to smell the same in any condition, even on a very hot day," explains Pan. "Lab testing during the development phase can weed out any unpleasant odors so there are no surprises when the cars finally roll off the assembly line."

Want to learn more about car smells? Check out this video on our Super Smellers, or about the Fabric of Ford.

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