Mechanic in geelong region

[Corsa]

Can anybody recommend a good mechanic to take my patrol to that will not void factory warranty?

[MudRunnerTD]

Brett at 4WD Obsession in Melton. 45mins up the road. what do you need done mate?

[Corsa]

Due for 100,000 k service but have extended warranty so would like to ensure it won't void warranty