Check power steering fluid level
Check belts to power steering pump
Check drop link arms for any play in joints but doubtful problem if vehicle is not moving
And the list goes on
Could be a number of different faults can you try and localise the noise vibration
Could even be even down to damaged flywheel unable to say without hearing the noise and vibration Edited by: Bigjohnsparky
2012 Antara 2.2cdti 163ps Awd SE Nav Auto in Smokey eye Grey with light Titanium interior. With 19 full size matching spare.
Towing a Bailey Pegasus 554m.t.p.l.m. 1492kg
In addition to what BJS says, there was an issue at one time with one of the hydraulic hoses for the power steering causing vibration because of insecure clipping. and / or routing of the hose. Can't remember offhand whether it was a Series 1 Antara / Captiva thing, try using the search box.