Vehicle Control System

Your Car.
Under Control.

The Vehicle Control System for responsible car owners. Know what's happening inside your car before problems become expensive.

Compatible with 1996+ vehicles · Free iOS app included

Vehicle Detected

2021 BMW 530i

87SteerScore

1 item requires monitoring

Engine

ABS

Battery

Fuel

Works with your car

Compatible with any OBD2-equipped vehicle — that's virtually every car made after 1996.

1996+ vehicles · 10,000+ models supported
Toyota
HHonda
FordFord
BMW
Mercedes
VWVolkswagen
Audi
Chevrolet
NISSANNissan
HHyundai
KIAKia
Jeep
Subaru
Mazda
Volvo
PORSCHEPorsche
LLexus
Tesla
LAND ROVERLand Rover
Acura
Infiniti
Mitsubishi
Cadillac
GMCGMC
Ram
Peugeot
Renault
DODGEDodge
Skoda
SEAT
Toyota
HHonda
FordFord
BMW
Mercedes
VWVolkswagen
Audi
Chevrolet
NISSANNissan
HHyundai
KIAKia
Jeep
Subaru
Mazda
Volvo
PORSCHEPorsche
LLexus
Tesla
LAND ROVERLand Rover
Acura
Infiniti
Mitsubishi
Cadillac
GMCGMC
Ram
Peugeot
Renault
DODGEDodge
Skoda
SEAT

Full System Coverage

Complete system visibility.

STEER scans and monitors the critical systems that determine the reliability of your vehicle.

Engine

Stable

Transmission

Stable

ABS

Stable

Airbags

Stable

Battery

Attention

Electrical

Stable

Fuel System

Stable

Emissions

Stable

Stable
Attention Required
Immediate Action

SteerScore™

A single score that summarizes your vehicle's health.

STEER calculates a Vehicle Health Score based on diagnostics across every system — engine, battery, ABS, airbags, emissions. Instead of reading complex codes, you receive a clear, structured evaluation.

EngineStable
TransmissionStable
BatteryAttention
EmissionsStable
87SteerScore

Your vehicle is in good condition.

1 item requires monitoring

2021 BMW 530i · Updated just now

How It Works

Three simple steps.

1

Plug the STEER Sensor in

Every car built in 1996 or after has this port (OBD2) under the driver's side dash. This is the same port mechanics use to diagnose car problems.

2

Start your engine

Download the STEER app and start your engine. The STEER Sensor easily connects to your smartphone via Bluetooth.

3

Tap to scan

Open the app and hit "scan" to instantly decode your check engine light and get full control with your SteerScore.

Hardware + Software

A complete vehicle control system.

The STEER Sensor

A compact Bluetooth device that connects to your car's OBD port. Designed for reliability and continuous monitoring.

Plug-and-play installation
Secure Bluetooth 5.0
Low-power design

The STEER App

A mobile command center that monitors your vehicle. Clean interface, clear insights, professional-grade diagnostics.

iOS
Real-time monitoring
Instant notifications

No manual setup.

No technical knowledge required.

Just plug in and know.

Proactive Control

Stay ahead of problems.

STEER continuously monitors the condition of your vehicle and helps you prevent issues before they become expensive.

Early issue detection

Maintenance planning

Diagnostic history

Monthly vehicle reports

Continuous system monitoring

The goal is simple:

No surprises.

Know your car before
problems appear.

Your car is one of your most valuable assets.
STEER ensures it stays under control.

Free iOS app included · 7-day Pro trial · Compatible with 1996+ vehicles