Susan Lister, of Los Gatos, has a pointed message for Bay Area drivers who catch a glimpse of her gray Prius — a colorful Roadshow bumper sticker that says: “I don’t read minds / SO SIGNAL, DAMMIT!” ...

It’s a congenial affirmation, with perhaps a whiff of admonition, on the back of the car in front of you on Federal Highway, and a motherly reminder that may feel sneakily subversive in the parking ...

It’s just another day, and you’re driving to work. The light turns red, the vehicle in front of you stops, and you follow suit. Suddenly, your eyes focus on the sticker plastered on the bumper of the ...

The other day I spotted an arresting bumper sticker: “Don’t Blame Me, I Voted for the Other Guy.” Unlike so many similar decals, it bore no hint of which “other guy” was under discussion. Just blue ...

The bumper sticker on Frederick L. Mason Jr.’s car suggested what motorists could do if they did not like his driving. The sticker, in the form of a toll-free 800 telephone number, was explicit enough ...

Lister is one of nearly 300 Bay Area motorists who have plastered stickers on their vehicles as part of a campaign to get drivers to change their sloppy driving habits and use their turn signals. In ...