Locked Out of Your Car: What to Do and What It Costs

Before anything else, here is a realistic picture of what you can expect to pay to get back into your car in Australia. Costs vary by time of day, vehicle type, and your location.

Always ask for a firm quote before work begins. Reputable locksmiths will give you a price over the phone. Be cautious of very low advertised callout fees, as additional charges are often added once the technician arrives.

A car lockout is stressful, but taking a few methodical steps before spending money can save you time and frustration.

1. Do a Quick Check Around the Vehicle

Walk around the entire car and test every door handle, including the boot. It sounds obvious, but it is surprisingly common to find one door or the boot unlocked. Also check whether any window is open wide enough to reach the interior lock button.

2. Look for Your Spare Key

Call a family member or housemate who may have your spare key at home. If you have a spare key at your workplace or with a trusted neighbour, this is often the fastest free solution.

3. Check Your Roadside Assistance Membership

Log into your NRMA, RACQ, RACV, RAA, or RAC app to confirm your membership is current and covers lockouts. Some basic memberships do not include lockout assistance, so check your level of cover. Most roadside providers will either unlock the car on-site or arrange a locksmith at no cost to you.

4. Call a Mobile Locksmith

If roadside assistance is not an option or the wait is too long, call a local mobile car locksmith. Based on data across Australia, around 84% of car locksmith businesses offer 24/7 emergency service. Businesses like Tas Mobile Locksmith and TopLock Mobile Locksmiths consistently receive strong reviews for fast response times.

5. Contact Your Car Dealership

Some dealerships, particularly for newer vehicles with smart key systems, can assist remotely or help arrange a replacement key quickly. This is more relevant if your key has been lost entirely rather than locked inside.

Understanding the process helps you know what you are paying for and sets realistic expectations for how long it will take.

Slim Jim and Long Reach Tools

For older vehicles, a locksmith may use a long reach tool or slim jim to manipulate the interior door lock mechanism through a small gap at the top of the door frame. This is fast, usually taking under five minutes, and leaves no damage to the vehicle when done correctly.

Air Wedge Method

A small inflatable wedge is inserted at the top corner of the door frame to create a gap. A long reach rod is then used to press the unlock button inside. This is now the most common method for modern cars as it avoids the metal-on-metal contact of older tools.

Transponder Key Programming

Vehicles manufactured from around 1998 onward typically have RFID immobiliser chips in the key. If your key is lost rather than locked inside, a locksmith needs to cut a new blade and program a new chip to match your car's immobiliser. This takes 30 to 60 minutes and costs more, typically $120 to $250 depending on the vehicle.

Smart Key and Proximity Key Issues

Late-model vehicles with push-button start and proximity keys are more complex. If the key fob battery has died, most manufacturers include a physical backup key blade inside the fob. Check your owner's manual for where the backup blade is located and where the hidden key cylinder is on the door handle.

There are various DIY methods circulated online for unlocking a car without a key. Most are either ineffective on modern vehicles or carry a real risk of damage to your door seals, trim, or locking mechanism.

The Tennis Ball Method

This is a myth. There is no credible evidence it works on any modern vehicle. Ignore it entirely.

Using a Coat Hanger

This was a common approach on vehicles from the 1980s and early 1990s with vertical lock buttons. On modern cars with horizontal buttons, concealed locks, or electronic systems, a coat hanger is unlikely to help and may scratch your door paint or damage the rubber seal.

Contacting a Locksmith Is Usually Faster

A professional car locksmith in a metro area like Sydney, Melbourne, or Brisbane can typically arrive within 20 to 40 minutes. Paying $100 to $185 to avoid an hour of frustration and the risk of vehicle damage is worthwhile for most people.

Once you are back in your car, a few simple habits can prevent this from happening again.

Keep a Spare Key Accessible

Leave a spare key with a trusted person who lives close by. Avoid magnetic key holders attached to the underside of the vehicle as these are well known to thieves and can fall off over time.

Get a Roadside Assistance Membership

An NRMA, RACQ, RACV, RAA, or RAC membership typically costs between $100 and $180 per year and covers unlimited callouts for lockouts, flat batteries, and breakdowns. Over time this is far cheaper than paying per-incident locksmith fees.

Use a Smart Tag or Bluetooth Tracker

Attaching an Apple AirTag or Tile tracker to your keyring means you can locate your keys via your phone if you misplace them before locking yourself out.

Develop a Habit Before Exiting

Make it a rule to hold your keys in your hand before you close the car door. It takes two seconds and eliminates the most common cause of lockouts entirely.