Author Thailand Rent-a-Car editorial team • expert review: Phuket car rental specialist • based on current operational data and the company’s practical observations.
Quick answer Money should be withheld only for a reason allowed by the rental agreement and supported by evidence. Common categories include missing fuel, late return, new damage, lost keys or equipment, exceptional cleaning, traffic or parking charges and approved recovery costs. Ask for an itemised calculation and supporting documents.
Fuel and late return
If the vehicle comes back below the agreed fuel level, the contract may allow refuelling and service charges. A late return can also be charged when it affects the next booking or falls outside the agreed period. Check the grace period and calculation method before pickup.
New damage
The company should compare the return condition with the signed handover record, photographs and video. The customer should be told which damage is new, how insurance and excess apply, and whether an estimate or invoice will follow.
Keys, equipment and cleaning
Lost keys, child seats, documents, spare-wheel tools or other listed items may lead to a charge. Normal dust is different from smoking, stains, sand or contamination that requires specialist cleaning; the agreement should explain the threshold.
Fines, tolls and recovery
Traffic or parking charges can arrive after the rental. The company may also pass on permitted administrative or recovery costs. Request the underlying notice, date, vehicle details and the contractual basis for any added fee.
What to do if you disagree
Ask for the signed agreement, handover and return records, timestamped images and an itemised calculation. Respond in writing and identify the specific line you dispute. Do not rely only on a phone conversation.
Frequently asked questions
Can the whole deposit be kept for a small mark?
The calculation should follow the agreement, insurance terms and evidence. Ask how the amount was determined and when any remaining balance will be returned.
Can money be withheld for normal wear?
Normal wear should be distinguished from new damage under the agreement. Good pickup and return records make that distinction clearer.
What if a fine arrives later?
The company should provide the official notice or verifiable details and apply only the charges allowed by the agreement.
What documents should I keep?
Keep the booking, agreement, payment receipts, pickup video, return confirmation and all written communication.