Your Car.
Under Control.
The Vehicle Control System for responsible car owners.
Get STEER Sensor→Free iOS app included · Compatible with 1996+ vehicles
The check engine light comes on.
You don't know what it means.
You don't know if you're being overcharged.
STEER changes that.
Real diagnostics. Plain language. Full control — before problems become expensive surprises.
How it works
Three steps.
Total visibility.
Plug in.
Connect the STEER adapter to your OBD2 port — under the dashboard, driver's side. Takes 5 seconds.
STEER identifies your car.
The moment it connects, STEER reads your VIN and instantly knows your exact vehicle. No setup. No manual entry.
You're in control.
Full system scan. SteerScore. Plain-language diagnostics. Your car, finally transparent.
Capabilities
One system.
Total control.
Instant health overview.
Your SteerScore at a glance. One number that tells you exactly how your vehicle is doing — calculated across all systems.
Every system scanned.
Engine. ABS. Airbags. Emissions. Plain-language results for every alert. No error codes. No confusion.
Predictive maintenance.
Battery health, oil intervals, upcoming services. Protect your vehicle's value before problems start.
Your car's full profile.
VIN-based vehicle identity, service logbook, and monthly control reports — always on hand.
Vehicle Health Index
One number.
Complete clarity.
SteerScore is calculated internally from diagnostics across every system — engine, battery, ABS, airbags, emissions. A single truth about your vehicle's health.
2021 BMW 530i
1 item requires monitoring
Plan
Simple pricing.
No surprises.
The app is free to download. Pro unlocks the full system — the intelligence layer that turns data into decisions.
Free
$0
Forever
- SteerScore (0–100)
- Primary status line
- Battery & systems snapshot
- Safety level indicator
- Vehicle profile (VIN-based)
- BLE device management
Pro
7-day free trial$4.99
per month · Cancel anytime
- Everything in Free
- Full system diagnostics (8 modules)
- Plain-language issue descriptions
- STEER Assessment — AI-powered insight
- Repair cost estimates
- Unlimited full scans
- Auto-scan on BLE connection
- Push notifications for new issues
- Plan tab — predictive maintenance
- Incident logbook
- Monthly PDF control report
- Scan history & trends
Pro trial starts after pairing. Cancel anytime.
STEER adapter required to read vehicle data. Available at steer.so/shop.
Get started
Your car
is waiting.
Plug in. Know everything.
Get STEER Sensor→Free iOS app included · 7-day Pro trial · Compatible with 1996+ vehicles