See also:

When does BLIS function
The system functions when your vehicle is moving at speeds above 6 mph (10 km/h). When you pass another vehicle: The system reacts when you pass another vehicle at a speed of up to 6 mph (10 km/h) ...

Keyless locking and unlocking
Range of the keyless drive remote key–5 ft (1.5 meters) This system makes it possible to unlock and lock the vehicle without having to press any buttons on the Personal Car Communicators (PCC). I ...

Reverse ®)
The vehicle must be stationary when position R is selected. ...