Answer:
When the driver is <em>reversing the car</em>
Explanation:
The Rear Cross Traffic Alert (RCTA) is Nissan's <em>risk of collision detector</em> that warns drivers if one or more cars are approaching the rear of your car when backing up from a parking space.
Sensors around the back of the vehicle identify vehicles drawing nearer from the either way. A notice tone and glimmering light will appear and alert the driver to stop.
Answer:
Mail merge lets you create a batch of documents that are personalized for each recipient. For example, a form letter might be personalized to address each recipient by name. A data source, like a list, spreadsheet, or database, is associated with the document.