The cache is NOT at the published co-ordinates - but it is nearby.
The Button Car Plan was devised by the Australian Government in the mid-1980s. The idea was to make the increase efficiency in the automobile industry - allowing import tariffs to be gradually reduced.
The Plan resulted in badge-engineered vehicles being introduced into the Australian market. These were the same basic vehicle but sold by several car companies under different names.
This puzzle should be relatively straightforward: Find the correct answers to the following questions to find the correct co-ordinates.
Calculate the co-ordinates in the form of S28 39.ABC E151 58.DEF
THEN apply the following offset : S +0.438 E -0.244
A - The Toyota Corolla was also released in Australia as a -:
0. Mitsubishi Sigma
3. Holden Nova
2. Chevrolet Impala
5. Nissan Sunny
B - The Ford Falcon Utility was also realeased in Australia as a -:
2. Nissan Ute
9. Toyota Hilux
8. Mazda B2600
1. Opel Rekord
C - The Holden Commodore was also released in Australia as a -:
6. Nissan 260C
2. Toyota Lexcen
1. Mitsubishi Magna
9. Leyland P76
D - The Toyota Camry was also released in Australia as a -:
0. Holden Apollo
7. Nissan Pulsar
1. Mazda 626
8. Hyundai Sonata
E - The Nissan Pintara was also released in Australia as a -:
5. Mazda 929
9. Ford Corsair
8. Mitsubishi Magna
0. Datsun 120Y
F - The Nissan Patrol was also released in Australia as a -:
9. Holden Rodeo
5. Mitsubishi Triton
2. Ford Maverick
4. Mazda B2600
You can check your answers for this puzzle on GeoChecker.com.