From the shop
Tesla news, service findings, and EV advice. Written by Ray Novelo — not marketing copy. Real jobs, real Teslas, real Southern California roads.
The 12V battery is the most dangerous blind spot in Tesla ownership — and most owners don't know it exists
It's not the big battery. It's the small one. The 12V auxiliary battery can fail silently — no warning light, no gradual decline. One morning your car won't unlock, won't respond to the app, won't do anything.
Tesla 2025.x update changed charging behavior — here's what shifted and why it matters
Supercharger etiquette — the unwritten rules that prevent parking lot confrontations
NMC vs. LFP battery chemistry — which one is in your Tesla and how it changes how you should charge
What to actually look for when replacing tires on a Model 3 or Model Y
We diagnosed 40 Teslas last month — here's what keeps failing
Your Tesla warranty covers more than you think — know before you pay out of pocket
Regen braking explained — why your brake pads last 120k miles and your rotors still rust
New post when there's something worth saying
No newsletter cadence, no filler content. Ray posts when there's a real finding — a common failure, a software change that affects your car. Usually once or twice a month.
Ray Novelo
Owner, Ray's EV Service · Tesla specialist
U.S. Marine veteran and Boeing-trained electrical specialist. Every post is based on real jobs, real fault codes, and real conversations with Tesla owners across Southern California.