Most lease surprises happen at the very end. The monthly payments were fine for three years, then the return inspection turns up a bill for scratches, worn tires, a missing key and a few thousand extra miles. Almost all of it can be avoided with a little preparation. Start about three months before your lease ends and work through this list.

1. Read the return section of your contract
Your lease agreement spells out what counts as normal wear and tear, the charge per excess mile, the minimum tire tread and the disposition fee for handing the car back. Find those four numbers first. They tell you where the real risks are and how much each one could cost.
2. Book a pre-inspection
Many leasing companies offer a free inspection 60 to 90 days before the end of the lease. An inspector looks the car over and gives you a report of anything you would be charged for. That leaves you time to fix problems yourself, often for much less than the lessor would bill.
3. Check the wear-and-tear guide
Most lessors publish a guide with examples of acceptable and chargeable damage. A common rule of thumb is the credit-card test: a scratch or dent smaller than a credit card is usually treated as normal wear. Larger dents, cracked glass, curbed wheels and torn upholstery usually are not.
4. Fix small damage cheaply
Paintless dent repair can remove small dents for far less than a body shop charges. Windshield chips can often be repaired rather than replaced, and some insurance policies cover the cost. Touch-up paint, a professional interior clean and a wheel refurbisher for scuffed rims can all cost less than the matching line on a return bill.
5. Look at the tires
Tires are one of the most common charges. Check the tread depth against the minimum in your contract, and make sure all four match in size and rating. If you need new ones, you do not have to buy the most expensive brand, only tires that meet the specification.
6. Deal with the mileage
If you are well over your allowance, compare the excess-mileage charge with the cost of buying the car at its residual value, or ask whether the lessor offers a discount for prepaying the extra miles. If you are well under, ask whether the unused miles can be credited toward your next lease.
7. Gather everything that came with the car
You will usually be charged for missing items. Find both keys or key fobs, the owner’s manual, the spare tire or inflation kit, the cargo cover and any floor mats or accessories that were included. A replacement smart key alone can cost several hundred dollars.
8. Clear your personal data
Before you hand the car back, unpair your phone, delete saved addresses and contacts from the infotainment system, sign out of any connected apps, and remove garage door openers. Then check the glovebox, door pockets and under the seats one last time.
9. Decide what comes next
The end of a lease is also a good moment to rethink what you drive. Compare buying out the current car, leasing a new one or switching to something else, and look beyond the monthly payment. Insurance, maintenance and fuel can easily add hundreds of dollars a month, so it pays to compare yearly fuel costs for the cars on your shortlist before you sign anything new.
10. Get the paperwork right
On the day, take dated photos of every side of the car, the interior, the tires and the odometer. Get a signed receipt or odometer statement from the dealer, and keep it until the final statement from the leasing company has been settled. If a charge appears later, those photos are your best evidence.
The bottom line
A lease return is not something to rush on the last day. Give yourself three months, take the free inspection, fix the small things cheaply and keep good records. Most drivers who do that hand the car back with little or nothing to pay.