Ask the Expert: How do you stop an automatic car with an electronic handbrake in an emergency?

Dear Alex, My husband and I both own automatic cars. We were discussing how they might be stopped by the passenger in the event of its driver becoming incapacitated, since both cars have an electronic handbrake and obviously no gear lever, so they couldn’t be knocked out of gear. What should we do, and what would happen? – LC Dear LC, Firstly, most...