On most Xsara Picasso's, there will be two arrows on each side of the car engraved into the skirting. They are a few inches in from each wheel. If they are not marked, there are usually two shaped cut-outs or reinforced sections on the underside of the car that look different from the rest of it.
Jacking points on each sill near to each wheel. Under the spare wheel well also.
Under the jacking points but please refer to your owners manual First
They are the places you would use when jacking up the vehicle for service, repair, or changing a wheel.
Check the owner's handbook.
jacking off the district attorney!
The jacking points are the metal ribs specifically designed to safely lift the vehicle. On most vehicles, there are four jacking points. They're located under the car's rocker panels, just behind the front wheels, and just ahead of the rear wheels. You can check the car manual to find jacking points. If your Car feels a problem you must side your way to a safe position. Stop the car aside. Jack is used to lifting the vehicle up.
Try these:
Look on the sticker under the hood it shows pics.
There are little dimples on each side front and back on the rocker panel.
jack up on the rear axle or on the ubolt plate
There are only two jacking points on a 944, one each side about half way down. look along the sill for a diamond shape indentation to locate them. Chances are though that unless cared for, the jacking points could be rusted and will not be structurally sound.
You should place the jack under the designated jacking points on the front frame of the van to safely jack it up. Refer to your van's manual for the specific jacking points location. Make sure the surface is flat and stable before lifting the van.