EVs & Mobility • 17 min read

Tesla Phone Key Not Working? Fixes for Phone, Card and Fob

Get in first: tap a key card on the driver's door pillar, or unlock and start the car from the Tesla app. Then work through Tesla's own checklist: Bluetooth on, power-saving off, location set to Always, signed in, and Allow Mobile Access enabled. Covers the phone key, key card and key fob, by symptom.

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A white Tesla chained shut with a giant brass padlock while a rain-soaked woman sits on the curb holding a phone that shows a dead-battery icon

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The pages readers come back to: answer-first guides on the things you own or are about to buy, built from spec sheets and filings, with the date we last checked them.

  1. EVs & Mobility Tesla 2026 Guide: Interest & Referrals
  2. EVs & Mobility Tesla's Low Power Mode: The Science of Long-Term Parking
  3. Tech & Innovation Starlink Mini: Buy It, Rent It, or Keep It on Standby?
  4. EVs & Mobility Is There a Tesla Tax Credit in 2026? What Ended, What's Left
  5. EVs & Mobility Charge Your Tesla to 80, 90 or 100? The Real Answer
  6. Tech & Innovation What Size Power Station Do You Need? The Honest Math
  7. Tech & Innovation Which Solar Panel Works With Your Power Station?
  8. EVs & Mobility New Electric Cars: Every 2026 Model Unveiled So Far
  9. Tech & Innovation Smartwatch Pros and Cons: Do You Actually Need One?
  10. Picks & Reviews Best Wireless Earbuds Under $100: What Actually Matters
  11. EVs & Mobility Why a Used Tesla Model 3 Might Be the Best Value EV Right Now
  12. Tech & Innovation Every Starlink Dish Decoded: Gen 3, Gen 4, V5, Mini X
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Tech & Innovation

Three iPhone screens from Apple showing the Photos app: a press-conference photo with a See Reference Image prompt, the signed reference image that still includes a second person at the edge of the frame, and the edited photo with that person retouched away

Your iPhone Can Now Prove a Photo Is Real. Here Is the Catch

The iPhone 18 Pro can sign every pixel its main camera captures and keep an unalterable reference copy beside the photo. It is a real advance in proving a photo was not edited, and it still proves less than the word "authenticity" suggests. It is opt-in, cannot be captured in the EU at launch, and sits outside the open standard Google, Samsung and Leica chose.

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AI & Automation

A bomb-disposal technician in a full blast suit carries an ordinary open laptop across a glass office lobby while a line of office workers waits behind a velvet rope

GPT-6 Astra Is Out. The First AI OpenAI Rates 'Critical'

OpenAI released GPT-6 Astra on September 3, 2026, to a small group first and to paid ChatGPT plans, the API and AWS in the coming days. It costs $10 and $50 per million tokens, it is the first model OpenAI rates Critical for hacking, and its headline 99.9% benchmark score falls to 62.7% on the benchmark's own standard setup.

A security researcher lunges across a desk of printed source code with a butterfly net, chasing a beetle, while a uniformed official shrugs in the doorway of a glass office door whose red seal tape hangs freshly torn open

Claude Fable 5.1 Hunts Bugs. In June That Got It Shut Off

Anthropic released Claude Fable 5.1 and Mythos 5.1 on September 1, 2026. The price stays at $10 and $50 per million tokens, cache reads drop 75%, and the model is now allowed to hunt software vulnerabilities, the same kind of task Anthropic says sat behind the jailbreak claim that got Fable 5 switched off in June.

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EVs & Mobility

Four identical white Tesla Model Ys in a police lineup; one has two red camera lenses glowing at the top of its windshield

Is Your Tesla HW3 or HW4? How to Check, by Model and Year

Tesla's own support page gives the check: Controls > Software, then Additional Vehicle Information. Without the car, the dates do most of the work: Hardware 3 (HW3) from spring 2019, Hardware 4 (HW4) in the Model S and X from early 2023, Fremont Model Ys from late May 2023, and the restyled Model 3 from 2024.

A dark grey 2025 Tesla Model 3 with its driver's door open in a Tesla showroom, a Model Y parked behind it

Tesla Owner's Guide: Charging, Winter, Battery and Costs

Every Tesla ownership guide on this site, grouped by the question that brings people here: something is wrong, charging, winter, battery health, what it costs, buying new or used, and software. Each entry says which question the guide settles and where its numbers come from, so you can go straight to the page you need.

View all EV posts → New interactive: Which EV is right for you? 9 questions, 2 minutes — your top 3 matches, new or used, ranked and explained. Plus an honest call on whether you should buy an EV at all. Find my EV →

Money & Power

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Picks & Reviews

At a department-store gift-wrap counter, a young shopper in a red beanie pays for a pastel instant camera and a tiny Bluetooth speaker with one small stack of gold coins, while beside her a sweating man in a suit heaves a wheelbarrow overflowing with coins to the counter to pay for a single smart speaker

Best Tech Gifts Under $100 in 2026, After the Price Hikes

Memory-chip shortages pushed the Echo Dot Max and the Raspberry Pi 5 over the $100 line in 2026 and made Roku's sticks pricier. These seven tech gifts still fit under it, at the maker's own list price: AirTag 2, Roku Streaming Stick Plus, Anker Nano power bank, JBL Go 4, DualSense, instax mini 13 and the Logitech MX Master 3S.

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