TitleWhat should I do if the engine doesn’t start?URL NameWhat-should-I-do-if-the-engine-doesn-t-startAnswerRelax. In most cases, there’s nothing wrong with the car. As a safety measure, we remotely lock the engine so that the car can’t be driven off while you’re away. When you’re ready to drive again, simply unlock the engine via the app. If that doesn’t work, remove the car key from ignition and try again.