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A Wrench-certified mechanic performs a service call. (Wrench via YouTube)

Wrench, the Seattle-based on-site car repair startup, is reporting continued growth after a successful summer launch and is now adding a new maintenance membership program to complement the emergency road service it already provides.

With funding from Madrona Venture Group, Wrench has serviced more than 1,500 vehicles and it expanded beyond the Seattle-Tacoma-Everett metro areas into Phoenix this month. With the majority of its service calls still happening in Seattle, Wrench expects to top 2,000 in early December, and there are plans to expand to a third major market in January, the company said.

The Wrench membership program is aimed at keeping cars well maintained without requiring users to make a trip to a dealer or franchise oil change provider. Members get two bi-annual full synthetic oil changes, tire rotations, a quarterly on-site diagnostic check-up for such things as tire pressure, fluid top offs and a vacuum and window clean. The program also includes free installation of windshield wipers, bulbs and 10 percent off all other Wrench services.

The cost is $14.95 a month for sedans and $19.95 a month for SUVs and trucks.

Wrench, which now employs 20 people, aims to provide total piece of mind for car owners, according to co-founder and CEO Ed Petersen. Users can schedule services via the Wrench app (iOS, Android) and a certified and background-checked mechanic will perform the work.

A video on the Wrench website shows a technician performing service on a vehicle in a parking lot:


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