Guys please don't conflate the two types of dogs involved in this case:
- Search and resuce (sniffer) dogs. Handled by Portuguese GNR. Two dogs were used on 4th May. They worked off items given to them that had been in close proximity to MM. One item was her bath towel. They were able to follow MM's scent to a location in the immediate vicinity. This supports MM entering a vehicle.
https://www.mccannpjfiles.co.uk/PJ/GNR_SNIFFER.htm
- Cadaver dogs. Handled by Martin Grimes who was brought over from the UK. They work off the scent of a corpse, any corpse, and blood. They are not person specific like the sniffer dogs.
You all need to up your game. Your case knowledge is poor. You need to read the material in the PJ files. There's also a lot of useful info on the so-called Red Forum:
https://www.mccannpjfiles.co.uk/
https://miscarriageofjustice.co/index.php?board=18.0
I don't know why you concentrate on Timmie, Sacha, Cookie and the rest. They tracked Madeleine's scent to the play area in the complex, so I'm not sure how that equates with her being abducted by someone with a vehicle.
Anyway, far more significant are the results given by Keela and Eddie, both giving their respective signal (Keela lowering her nose to the ground and remaining in that position, Eddie barking on recognizing human cadaver odour) when searching behind the sofa of the McCann apartment 5A.
Eddie gave his signal when sniffing the cuddle cat toy at the new apartment they had rented after leaving 5A. Additionally, he gave his alert by the driver's door of the Renault Scenic hire car. Keela alerted to the boot and the glove compartment, which contained maps and the keys of the car. The keys were then removed and placed in a bucket of sand. Keela alerted for a second time.
