Does the Registration Have to Be in the Car?
Short answer: yes. Vehicle Code section 4462 states that “the driver of a motor vehicle shall present the registration or identification card or other evidence of registration of any or all vehicles under his or her immediate control for examination upon demand of any peace officer.” Most drivers know about the insurance card and have never heard about this one.
Two documents, not one
At a traffic stop in California an officer will normally ask for three things: your license, your evidence of insurance, and the vehicle's registration. Vehicle Code section 16028 covers the insurance side — carrying evidence of financial responsibility and producing it on demand. Section 4462 covers the registration side. They are separate requirements with separate consequences.
The version people get wrong
The renewal arrives, the new card goes in a pile of post, the old one stays in the glovebox. Now the car is properly registered and the paperwork in the vehicle says otherwise. Swap the card the day the new one arrives — it takes ten seconds and it is the single most common version of this failure.
The same applies to the sticker on the plate. A current registration with a missing or expired sticker invites a stop that did not need to happen.
If it is not your car
The obligation falls on the driver of the vehicle. If you regularly drive a car belonging to a parent, a partner or an employer, make sure a current registration card lives in it. “It's my dad's car” is not a document.
What about a digital copy?
California expressly allows evidence of financial responsibility to be displayed electronically. The registration is a separate question and the safest approach is simple: keep the physical card in the vehicle, and keep a photo on your phone as a backup rather than as the primary. A paper card costs nothing and does not run out of battery.
The security point worth making
Your registration card carries your address, and it lives in a car parked in public. Do not keep a spare key, a garage remote or anything else in the same compartment. A broken window should cost you a window, not your front door.
If you are cited
A missing-document citation is frequently correctable — you show the court that the vehicle was properly registered and insured at the time, and it is resolved. That still costs you a stop, a form and a trip. Fifteen seconds of glovebox admin twice a year avoids the whole thing.
New cars and temporary paperwork
A car bought from a dealer often arrives with temporary paperwork while the permanent registration is processed, and that interim document belongs in the vehicle exactly as the card would. Keep it visible where required and keep the purchase paperwork with it. Private sales are the version that goes wrong most often: the seller keeps the card, the buyer has nothing but a bill of sale, and the first traffic stop becomes a much longer conversation than it needed to be. Ask for it at the point of sale.
While you are checking the glovebox, it is a good moment to check whether the coverage on that insurance card is still the right coverage. Send it over and we will tell you.
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What if I only have the registration on my phone?
Section 4462 requires the driver to present the registration or other evidence of registration on demand. Keep the physical card in the car and treat a photo as a backup rather than a substitute.
Do I need registration for a car I am borrowing?
The requirement is on the driver of the vehicle, so yes. Ask the owner to keep a current card in the car if you drive it regularly.
Is a missing registration citation correctable?
Such citations are frequently correctable by showing the court that the vehicle was properly registered. Check the citation itself, because it states what is required.