Three short beeps from an alarm panel greeted them when Nan opened the door.
They are usually a pattern of long and short beeps.
After a short audible beep the start up display elements turn on.
"Yes, it's a huge difference if it's just one short beep," she explained to the person on the line.
He blew the horn as he had before, three short beeps.
Then she heard a short beep, and she realized what was happening.
One short beep signifies that the car is locked and alarm is set.
The message consisted of two short beeps and a long one followed by another long one.
A short beep of a horn answered him.
After two rings, a click sounded, then a short beep.