Another nice touch is the placement of the remote fuel filler door button in the driver's door under the armrest. (articles.orlandosentinel.com)
Many cars today also feature systems which can unlock such things as the luggage compartment or fuel filler cap door. (en.wikipedia.org)
The remote fuel filler door and trunk releases, for example, are well located and can be secured by a separate lock with the ignition key. (articles.orlandosentinel.com)