Hands-free AI in the van: voice notes, CarPlay and WhatsApp

Yes, you can use AI in the van, but only if you never hold the phone while driving. Holding a phone to dictate or check a reply is 6 penalty points and a £200 fine. Voice commands through CarPlay, Android Auto or a fixed cradle are legal, though police can still stop you if you're distracted. Do the real work when parked.

What does the law say about phones in the van?

You must not hold and use a phone, sat nav or any device that can send or receive data while driving. That includes at traffic lights, queuing in traffic, and with the engine switched off by stop-start. It applies to texting, calls, photos and browsing, online or offline.

The exceptions are narrow: calling 999 or 112 in an emergency when it's unsafe to stop, being safely parked, paying contactless while stationary at a drive-through, and parking remotely with an app. "Safely parked" means pulled over with the engine off somewhere you're allowed to stop, not sitting in a queue outside a merchant.

Rule 149 of the Highway Code goes further: it says hands-free equipment "is also likely to distract your attention from the road" and that you must not pick up a phone to dial even if you then put it in a cradle. Rule 150 tells you not to be distracted by screen-based information.

Is a voice command to AI legal while driving?

A voice command with the phone in a fixed cradle or through the car's screen is hands-free, so it's not the hand-held offence. But GOV.UK is clear that you must stay in full control, and police can stop you if they think you're distracted. Not being in proper control carries 3 points.

What can CarPlay and Android Auto do with WhatsApp?

Both can read messages aloud and send replies by voice, which covers most of what you need between jobs.

On an iPhone, Apple's CarPlay lets Siri announce incoming messages: it says who sent it and reads it out, or tells you a long message has arrived and reads it if you ask. You switch it on in Settings, Notifications, Announce Notifications, CarPlay, and can limit it to time-sensitive and direct messages. Only apps that support CarPlay appear on the car's screen.

On Android, Google's Android Auto help lists commands such as "Message [contact name] on WhatsApp" and "Reply to [contact name]". Gemini or Google Assistant reads your message back before it sends, so you can send it, cancel it or change it. You can also ask it to read out or summarise messages.

Can you use ChatGPT in CarPlay?

Yes. OpenAI's help centre says ChatGPT runs in CarPlay as a voice chat on all ChatGPT plans, with an iPhone on iOS 26.4 or later and the latest app. You can start a new voice chat or carry on a recent one. It can't see your maps or location and can't control other apps, so it can't send a WhatsApp or an email for you.

That makes it useful for thinking out loud: "What should I check on a lead-in pipe before quoting a combi swap?" It's not useful for doing the admin, because the answer stays in the ChatGPT app. Answers can also be wrong; see when AI gets it wrong.

What's the safest routine for quotes and variations?

Do the thinking while driving if you must, and do the talking once you've pulled up. A two-minute voice note recorded in the van outside the job, before you drive off, beats trying to remember details at 9pm.

1. Park before you record.

   Pull in at the job or a lay-by, engine off. That's the GOV.UK "safely parked" exception.

2. Record one voice note per job.

   Address, what you saw, measurements, materials, what the customer asked for, anything you're excluding.

3. Send it to whatever turns it into paperwork.

   A transcription app, ChatGPT, or an AI back office. WhatsApp can transcribe voice notes on your phone: Settings, Chats, Voice message transcripts.

4. Drive to the next job.

   Let announced replies come in hands-free. Don't open the draft quote at the wheel.

5. Check and approve at the next stop.

   Read the drafted quote before anything goes to the customer.

Quote for customer name, address.
Job: e.g. replace combi boiler in kitchen cupboard, same position.
Measurements: e.g. flue run 1.2 metres horizontal, gas run 4 metres.
Materials: e.g. 30 kW combi, magnetic filter, new flue kit.
Labour: number people, number days.
Extras the customer asked about: e.g. smart thermostat as an option.
Exclusions: e.g. making good the cupboard, any asbestos found.
Send by: day. Customer prefers WhatsApp or email.

How much time does the parked-up routine save?

A worked example, for an owner doing five site visits a day who used to write quotes up in the evening.

The same works for enquiries: save the replies for when you're parked and clear them in one go.

A renovation builder had the opposite problem: agreements made on site were forgotten before he could write them up. "By the time I sit down to write it down, it's gone." A voice note recorded before driving away fixes that. See capturing variations by voice note for what to say.

Common questions