This shot is when it goes to Sentai footage.
Once you see this shot of a necklace-like item is when it goes back to new footage.
This shot is when it goes back to Sentai footage.
This shot is also Sentai footage however the following shot of Nadira in the car is clearly new footage because I can tell that it's the American actress.
However once it cuts to Dash's arm (and red glove) reaching for the wheel then that is when it goes back to Sentai footage.
The shot in which you can tell that it's the American Jewelry Lady (as seen in her early scene) is also new footage.
However it then cuts back into Sentai footage of the car getting away.
It then cuts back to American Nadira which then cuts back to a Sentai front shot of the car.
However you'll eventually see another shot to American Nadira (but this time it'll be a front shot) however it then cuts (from our left but to her right) back into Sentai footage. She sees the Sentai footage of a bunch of police cars. It then cuts back to American Nadira however it then cuts right back into the Sentai footage of the car.
However you'll see another cut to American Nadira (this time a front shot) however it'll then cut back into Sentai footage however this particular Sentai footage starts out with a view from the driver's point of view. Interestingly enough, this image is not flipped. Timeranger's footage of this car also used a steering wheel on the left side.
You'll see another cut to American Nadira however it then cuts right back into the Sentai footage of the car.
There's another cut to American Nadira however it still cuts right back into the Sentai footage of the car fun.
There's yet another cut to American Nadira however it still cuts right back into the Sentai footage, this time they're tailing another vehicle, looks kind of like a truck of some kind but because of the fact that it's night at this point in time in the episode, it's tough to determine what kind of vehicle it is.
After their car stops in the middle of the road, it then cuts back to American Nadira however it then cuts back into the Sentai footage of their car heading towards a parked white car.
After their car jumps into the air, it then cuts back to the American Nadira however it then cuts right back into the Sentai footage of their car fun.
After the car lands, there's another cut to American Nadira however it then cuts right back into the Sentai footage of the cars.
After you see the police cars and then a shot of the Sentai car then there's another cut to American Nadira however it then cuts right back into the Sentai footage of their getaway car.
The shots of Dash opening the car door in preparation to gettting out is when it goes back to new footage.
This shot of Nadira and Dash's car is new footage.
This shot is when it goes back to Sentai footage.
This shot of the Blue Ranger is when it goes back to new footage.
Here's a new shot of Dash
This shot of the Student Driver Car is when it goes back to Sentai footage.
This shot is when it goes back to new footage.
Here's another new shot of Dash
Here's new footage of Dash's other suit

This shot is when it goes back to Sentai footage. You can partially tell this is Sentai footage because of the Japanese characters on the building.
These shots   is when it goes back to new footage.
After Nadira fires her Blaster, it then cuts right back into the Sentai footage of the Cannon-armed Rangers as they're sparking up because of her blast.
Yes, even the shot of Dash's DNA patch falling off is Sentai footage.
Here's a new shot of the Frozen toy Dash
This shot is when it goes back to Sentai footage.

Sentai footage comes from Time Episode 14