Many dealerships accept your existing insurance card as temporary proof, as most policies provide a grace period (usually 7–30 days) for newly purchased vehicles.
Most major insurers allow you to purchase a policy on your phone while at the lot and receive digital proof within minutes. How To Get Proof of Insurance - Progressive how to get proof of insurance before buying a car
If you have the Vehicle Identification Number (VIN) from the seller or dealer, you can add it to your policy online or via app immediately. Many dealerships accept your existing insurance card as