Get off at the Lafayette Station.
Go out the gates by the agent's booth. Take a left through the parking lot to get to Happy Valley Rd. Go left down Happy Valley Rd. to the light (Mt. Diablo Rd.). There is a Chevron on the right and a Wells Fargo on the left.
Cross Mt. Diablo and go left towards Diablo Foods. Dewing intersects with Mt. Diablo just past Diablo Foods.
Take a right on Dewing Ave. Continue down Dewing Ave. 2 1/2 blocks. 936 Dewing is on the left-hand side. AutoClerk is in Suite G which is in the back building and upstairs.
A: Bart Station
B: AutoClerk