It had no ignition lock, merely a switch that anyone could press.
Climbing into Glenn's car, he found the key in the ignition lock and promptly started his trip.
It was empty; the key was gone from the ignition lock.
At least a car's got a ignition lock on it - new ones do, anyway.
He went back to the car and found the keys still in the ignition lock.
But there were no keys hanging from the ignition lock.
She took the key from her pocket and inserted it in the ignition lock.
On the chance that the key was actually in the ignition lock, Chet made a dash.
The ignition lock, after all, is still down there on the floor.
One of the keys on the ring fitted its ignition lock.