Shane Warne's son shares what he misses most about his 'superman' dad

Shane Warne's only son has described his father as "superman" and told of how he misses the simple moments of riding alongside his Dad in the car.

Speaking to 9News this afternoon, Jackson Warne said the "small things" were what he missed the most about his father.

"I miss just sitting in the passenger seat while he is driving the car," he said.

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"Everything we did, even if it was just the small things, it was fun, like driving to Maccas or the golf course. If he was playing, I would drive the golf buggy.

"He made the little things exciting."

The Australian cricket legend died suddenly in March 2022 from a heart attack while on holiday in Thailand, aged just 52.

Jackson, 24, spoke to 9News as he and his two sisters, Summer and Brooke Warne, launched a new campaign, the Shane Warne Legacy, aimed at saving hundreds of lives by preventing heart attacks.

"After I got the phone call about Dad, it was just a wake up call. I thought he was invincible, I looked at him as superman," he said.

"I'd do anything to have one more day with Dad."

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Warne's death sparked a 62 per cent surge in people getting heart checks, which was dubbed the "Shane Warne Halo Effect".

The foundation will raise funds for a variety of charities and causes but will start with a heart test campaign.

Teaming up with SiSU Health, the idea is to make four-minute heart tests free for all Australians, with the aim of providing 500,000 free heart tests next year.

"We want to eliminate as many other families having to go through what we've gone through," Jackson told 9News.

"Who knows what would have happened if he did this test?

"Our incentive and our goal is to get as many Australians a heart check for free."

People will be able to go to a local health station and do the test themselves, with the preliminary test indicating whether they need to go to the GP for further checks.

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Jackson said the siblings wanted to make their dad proud by launching the campaign, and hoped his legacy would continue to impact people's lives in a positive way.

He told 9News he could "feel" his father around him and said the number '23' was a sign his father was around him.

"I can't explain it, but I can feel him everywhere I go," he said.

"Sometimes I'll look at the time and it'll be 12.23pm, or 23 minutes away, I see the number 23 whenever I have an important decision to make.

"I can feel him being proud of this, his legacy is saving lives."

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One of the greatest bowlers of all time, and arguably Australia's finest cricketer behind only Sir Donald Bradman, Warne finished his career with 1001 international wickets.

An Australian record 708 of those came in Test cricket, a world record at the time of his retirement which has only been bettered since by Sri Lankan spinner Muttiah Muralitharan.

Warne was the first bowler in the sport to reach both the 600- and 700-wicket mark, and is one of only nine Australians to have taken a Test hat-trick.

He was also a World Cup winner, taking home player of the match honours in the 1999 final when Australia defeated Pakistan.