Getting someone with dementia to stop driving usually requires a combination of honest conversation, outside authority figures, and practical steps to remove access to the vehicle. There is no single approach that works for everyone, and most families find they need to escalate through several strategies before driving actually stops. The sooner you start planning, the more options you have.
Why Dementia Makes Driving Dangerous
Driving demands constant coordination of attention, decision-making, processing speed, memory, and spatial awareness. Dementia gradually erodes every one of these abilities. People with Alzheimer’s disease and related dementias also develop visual problems that go beyond normal aging: reduced contrast sensitivity, narrowed visual fields (especially in the lower portions), difficulty detecting moving objects, and slower eye movements that make scanning intersections harder.
These deficits don’t arrive all at once. Early on, a person may drive familiar routes without obvious trouble. But the margin of safety shrinks with each stage of decline, and the person losing these abilities is often the last one to recognize it. That gap between actual skill and perceived skill is what makes the situation so difficult for families.
Warning Signs That It’s Time to Act
You don’t need to wait for an accident. Watch for patterns rather than isolated incidents:
- Navigation problems: Getting lost on familiar routes, missing turns, or driving to the wrong destination.
- Slow or delayed reactions: Braking late, drifting out of lanes, or responding slowly to traffic signals.
- Judgment errors: Running stop signs, making unsafe left turns, or misjudging the speed of oncoming traffic.
- New dents or scrapes: Unexplained damage to the car, mailbox, or garage.
- Confusion with controls: Mixing up the gas and brake, forgetting to signal, or struggling with windshield wipers or headlights.
- Emotional changes behind the wheel: Increased anxiety, anger, or confusion while driving.
If you’re seeing two or more of these regularly, the conversation about stopping needs to happen now, not after a close call.
Start With a Direct Conversation
The Alzheimer’s Association recommends discussing driving retirement before it becomes a crisis. Ideally, this conversation happens early in the diagnosis, when your loved one can still participate in planning. In practice, most families don’t get that luxury.
When you do raise it, be sympathetic but clear. Losing the ability to drive feels like losing independence, and for many older adults it’s tied to identity and self-worth. Acknowledge that directly. Say something like, “I know this is hard, and I’m not trying to take away your freedom. I’m worried about your safety.” Focus on what you’ve observed, not on the diagnosis itself. Stress that you’ll help them get where they need to go.
Appeal to their sense of responsibility toward others on the road. Many people who resist giving up driving for their own sake will consider it when framed around the safety of pedestrians, children, or other drivers. Be patient, but don’t back down. You may need to have this conversation more than once.
Bring in a Doctor’s Authority
If your loved one won’t listen to family members, ask their physician to intervene. A doctor’s recommendation carries weight that a spouse’s or child’s concern sometimes doesn’t. You can ask the doctor to write a letter or even a “prescription” stating that the person should not drive. Some families find that a doctor’s note gives the person a face-saving way to stop: “The doctor says I can’t” feels less personal than “My kids took my keys.”
A family conference that includes the physician can be more effective than either approach alone. You can also ask a respected family authority figure, a clergy member, or even the family attorney to reinforce the message.
Get a Professional Driving Evaluation
If there’s genuine disagreement about whether someone is still safe to drive, a professional evaluation can settle the question. Occupational therapists at hospital-based driving programs conduct these assessments. At Duke Health, for example, the evaluation takes about two hours and tests vision, depth perception, reaction time, memory, judgment, physical coordination, and knowledge of road rules. It includes both written tasks and simulated driving scenarios. The cost is typically around $200 and is not covered by insurance.
The occupational therapist cannot revoke a license, but they share results with the person’s doctor and, if the DMV referred the evaluation, with the licensing agency. For some families, an objective third-party assessment is the only thing that breaks through denial. If the person passes, you get reassurance. If they fail, you have documentation that supports stopping.
Report to the DMV
Every state allows concerned individuals to report a potentially unsafe driver to the DMV. In most states, family members, friends, law enforcement officers, and healthcare providers can all file a report. Four states (California, Delaware, Oregon, and Pennsylvania) go further, legally requiring physicians to report a dementia diagnosis. New Jersey and Nevada require clinicians to report medical conditions that could threaten road safety, though they don’t specifically name dementia.
When the DMV receives a report, it typically mails the driver a medical form that their physician must complete and return within 14 to 45 days. The doctor is asked whether the patient can drive safely and what restrictions might be appropriate. Based on the response, the DMV may require a road test, impose restrictions (daytime-only driving, limited geographic area), schedule periodic reexaminations, or suspend the license. For progressive conditions like dementia, periodic reexamination is standard as long as the person holds a license.
Having the license formally revoked or restricted gives you a concrete, external reason the person cannot drive. It shifts the “blame” away from family and onto the state.
Physical Steps to Prevent Driving
Conversations and formal processes don’t always work, especially as dementia progresses and the person forgets previous agreements or becomes more impulsive. At some point, you may need to make driving physically impossible. The National Institute on Aging suggests several approaches:
- Hide or secure the keys. Keep them in a locked location the person doesn’t know about. If the person has a spare set, find and remove those too.
- Disable the car. Disconnect the battery, remove a fuse, or install a hidden kill switch. A mechanic can help if you’re not comfortable doing this yourself.
- Move the car out of sight. Park it around the corner, at a neighbor’s house, or in a garage the person doesn’t access.
- Sell the car. If the vehicle belongs to the person with dementia, this is a more permanent solution. Removing the car entirely eliminates the daily reminder and reduces agitation in some cases.
Some families use a cover story: “The car is in the shop” or “The mechanic says it needs a part.” Whether this feels right depends on your relationship and your loved one’s level of awareness. As dementia advances, many people eventually stop asking about the car altogether.
Legal Risks of Doing Nothing
Allowing someone with known dementia to keep driving creates real legal exposure. If the person causes an accident, a court can consider the dementia diagnosis as evidence that driving was negligent in itself, not just that a specific mistake was made. In some cases, juries have awarded punitive damages on the theory that driving with a known cognitive impairment amounts to gross negligence.
Family caregivers face a more complicated picture. Courts have generally been reluctant to hold caregivers directly liable for the actions of a cognitively impaired person. But if you lend the person your car, that’s a straightforward negligent entrustment claim. And if a court determines you had the ability to control the person’s access to a vehicle and failed to do so, liability becomes possible. In one case involving a retirement home, the facility was found liable because it had taken some steps to prevent a resident from driving but hadn’t followed through effectively. The court reasoned that the home’s partial efforts demonstrated it had the ability to control the situation.
Insurance is another concern. If an insurer learns that a driver had a dementia diagnosis at the time of a crash, coverage disputes become likely. The financial consequences of an uninsured accident can be devastating.
Replacing the Car With Other Transportation
Taking away driving works much better when you replace it with something. The goal is to preserve as much independence and routine as possible.
Start by mapping the person’s regular destinations: grocery store, doctor, pharmacy, place of worship, a friend’s home. Then figure out which trips family members can cover and which need outside help. Area Agencies on Aging and Aging and Disability Resource Centers can connect you with local transportation services, including caregiver support programs that provide rides. Many communities offer paratransit services with door-to-door pickup, though these typically require advance scheduling.
Ride-hailing apps work for some families, especially when a caregiver can order the ride remotely. For people in earlier stages who might use public transit, some agencies offer “bus buddy” programs where a volunteer rides along to build confidence and teach routes. Volunteer driver programs through faith communities and senior centers are another option, particularly in rural areas where public transit is limited.
The transition is easier when the person has been gradually reducing their driving before it stops completely. If possible, start by eliminating night driving, then highway driving, then unfamiliar routes, so the final step feels less abrupt.