See also:

Automatic relocking
If the doors are unlocked, the locks will automatically reengage (re-lock) and the alarm will rearm after 2 minutes unless a door or the tailgate has been opened. ...

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 ...

Driving dynamics: chassis, steering and brakes
The new Volvo C30 is a compact and light car. Light weight gives a car extra agility and reduces fuel consumption. 'This light weight was one of the goals for the Volvo C30,' says Mr Abrahamsson. 'I ...