VZ SS 40K SERVICE - 5 years old - what needs to be replaced??? Oman =50 deg days

[KIWIinOMAN]

I have recently purchased a low KM VZ SS here with a good service history.
As the car is now 5+ years old - I am looking to ensure reliability.... its bloody hot here in Muscat (50 deg days are common for 3+ months each year)
Should I be changing the radiator hoses and belt?
Does the Auto transmission need to be flushed

What is the type of coolant that should be installed ?

below is a list I found on a holden serevice centre site ( i have mixed the 40k service with the 60 month / 120k service)
 Inspect CV Joint Boots for Damage
 Inspect Vacuum Hoses & Connections
 Lube All Locks and Hinges
 Inspect Battery (Levels/Security/Clean Terminals)
 Inspect/Adjust Drive Belts
 Inspect Cooling System (Levels/Hoses/Leaks)
 Inspect/Top Up all Fluid Levels
 Inspect/ Top Up Trans. & Diff (Levels/Leaks)
 Inspect Underbody (Security/Leaks)
 Inspect Exhaust
 Inspect Steering/Suspension/Engine Mounts
 Inspect Brake Pads & Discs Front & Rear
 Inspect Power Steering Hoses (Leaks/Condition)
 Inspect CV's & Drive Shafts (Joints/Boots/Leaks/Damage)
 Reset Service Lights
 Replace Air Filter
 Flush Coolant - 6 Litres – Glycol
 Change Brake & Clutch Fluid
 Change Engine Oil & Filter
 Replace Fuel Filter
 Replace Wiper Blades
Parts
Oil Filter - 1 unit(s)
Air Filter - 1 unit(s)
Fuel Filter - 1 unit(s)
Engine Oil -- Refer Specs. - 6.2 unit(s)
Flush Brake Fluid Material - 1 unit(s)
Glycol Coolant - 6 unit(s)
Wiper Blades

Your expert advice is appreciated...

Cheers

[Munz]

just use the 40k service as a guide

if your brake fluid hasn't been changed it would be worth it especially in Oman, definitely do the coolant preferably red GMH (holden) coolant
the trans won't need flushing unless oil is really dark (highly doubt it) - just get a new filter and 4L gearbox oil

[Kiddo]

Id be checking pads and rotors too

[CRANKN]

yep service as 40k pages says