The car purchase is the classic first real use of a policy loan, and for good reason. It's a big, known expense that most families finance anyway. So let's walk one all the way through.
Say you've funded your policy for some years and you need a car. Call the carrier or log in, request a loan against your cash value, and the money arrives in days. No application, no credit check, no loan officer opinion about your debt-to-income ratio. The carrier lends you its money with your cash value as collateral, which is why nobody needs to approve you. The full mechanics are laid out in your first policy loan, step by step. You walk into the dealership holding cash, which has its own negotiating advantages.
Here's the part that makes this different from draining a savings account. Your cash value stays in the policy, still compounding, still earning dividends where applicable, while the borrowed money buys the car. One pool of dollars, two jobs at once: collateral that keeps growing, and a car in the driveway. Whether your dividends are affected while the loan is out depends on your carrier's approach, which is the direct versus non-direct recognition question, so know which you own.
Now the discipline step, the one that separates a strategy from a slow leak. The day the loan funds, set your own payback schedule. Same payment a bank would've charged you, automated, aimed at the loan. You were going to make a car payment anyway. Now it rebuilds your own collateral instead of a lender's balance sheet, and when the loan is repaid, the full cash value stands ready for the next car.
The payback schedule is what makes this work. Skip it and you've just spent your policy on a depreciating asset while loan interest compounds against you. Policy loans reduce your available cash value and death benefit until repaid, and a car loan you'd have retired in five years can sit against your policy for twenty if nobody's watching. Borrow like a banker: set the payback terms before the money moves.