remove the ignition key and engage the steering lock
lock the car, even if you only leave it for a few minutes
close the windows completely
never leave children or pets in an unventilated car
take all contents with you, or lock them in the boot. Remember, for all a thief knows a carrier bag may contain valuables
never leave vehicle documents in the car.
For extra security fit an anti-theft device such as an alarm or immobiliser. If you are buying a new car it is a good idea to check the level of built-in security features. Consider having your registration number etched on all your car windows. This is a cheap and effective deterrent to professional thieves.