Can I specify a taxi when making a car request?

It is possible to request a taxi only.
The operating procedure is as follows.

1. Specify your desired Pickup location and Destination, then tap [Next].

2. Tap [Details].

3. Tap Taxi in the Details field, then tap [Set].

4. You will return to the "Step 2" screen. Tap [Request Taxi] to complete the process.

Ref.
Can I specify a rideshare car when making a car request?