Harrington Lake Diefenbaker suggested that he needed a quiet place to go fishing, not too far from Ottawa. Later that year, Harrington Lake was chosen as the site for an official country residence and the buildings were formally designated as a secure residence for Canada’s prime ministers. During the first prime ministership of Pierre Trudeau, his then-wife, Margaret, added a vegetable garden; according to Kim Campbell's autobiography "Time and Chance", the garden still provided the house with fresh produce at the time of that writing. Campbell was the only Prime Minister to have spent her entire term in office residing at Harrington
Prime Ministerial Limousine wherever the prime minister or ministers travel. The vehicle is stored at Parliament House, the Lodge, Kirribilli House or an allocated COMCAR facility. While COMCAR administers the vehicles, they are driven by and under the use of Australian Federal Police officers. Tony Abbott was the first prime minister to use the new BMW 7 Series The prime ministerial fleet was updated in 2014, replacing the Holden Caprice fleet with a suite of armoured BMW 7 Series models. The $6.3 million (AUD) fleet of BMW 7 Series were purchased initially by the Australian Government to protect visiting dignitaries for the 2014