Authorized Spynex installer
Specialized vehicle protection for drivers throughout Northern California.
Northern California mobile 12V installation
Serious vehicle protection. Clean, professional installs.
12 Volt Installations & Accesories is a mobile-only vehicle-security installer specializing in Spynex immobilizer kill switches, car alarms, and dash cameras. We come to your home, workplace, or another convenient location by appointment across Northern California and the Bay Area.
Vehicle security
Spynex immobilizer kill-switch protection, installed with precision.
Ask about a Spynex immobilizer kill switch and dash camera bundle tailored to your make, model, and daily routine.
Why 12 Volt Installations & Accesories
Your vehicle deserves more than a one-size-fits-all install.
Every vehicle and driver has different priorities. We take time to understand what you need, recommend a practical setup, and install it with detail-focused craftsmanship.
Mobile installation
Professional service brought to you by appointment across Northern California.
Clean integration
Thoughtful installation that respects your vehicle's interior, electronics, and daily use.
Services
Protection and convenience for the way you drive.
Spynex immobilizer kill switch
A discreet immobilizer kill switch designed to help prevent unauthorized vehicle operation.
Ask about SpynexCar alarms & security features
Professional car alarm systems with available remote-start capability and thoughtful integration for your vehicle.
Explore car alarmsDash camera installation
Reliable video coverage, professionally installed with a clean, discreet finish.
Plan your installWhat is a Spynex kill switch?
Spynex: a CAN-bus immobilizer kill switch that outsmarts modern car thieves.
Spynex is a CAN-bus digital immobilizer kill switch — not a traditional toggle or remote relay. It integrates directly with your vehicle's electronics and blocks unauthorized engine starts at the software level, including attacks through the OBD-II port.
Talk to us about SpynexBlocks OBD-II key programming while armed
Traditional kill switches only cut a single wire. While armed, your OBD-II port stays live — a thief can plug in and program a new key fob. Spynex actively monitors the CAN-bus network and blocks key programming and cloning commands even while armed. Thieves cannot program or clone a key under any circumstances.
No physical switch to find or bypass
There are no added toggle switches, relay boxes, or spliced wires for a thief to trace or jump. Spynex sends digital engine-lock commands through the vehicle's CAN-bus network — making it physically impossible to bypass with standard wiring tricks.
Disarm with a secret PIN, not a fob
You authorize Spynex using your vehicle's factory steering-wheel or dash buttons with a custom PIN known only to you. No RF signal is broadcast, leaving nothing for a thief to capture or replay. Service Mode lets you hand over the vehicle to a mechanic without revealing your PIN.
Spynex vs. traditional kill switches
Why a Spynex kill switch outperforms every analog alternative.
Traditional and remote kill switches leave your vehicle's OBD-II port live and unprotected — even when armed. Spynex delivers continuous CAN-bus software protection that no wire cut or relay can match.
| Security feature | Spynex CAN-Bus Immobilizer | Traditional & Remote Kill Switches |
|---|---|---|
| Armed-state OBD-II key programming defense | Actively blocks key programming and cloning commands over the CAN-bus — even while armed | OBD-II port stays live while armed. Thieves can plug in and program a key fob |
| Physical bypass risk | No physical relays to jump, no cut wires to trace | Spliced wires and relay boxes can be located and bridged with a jumper cable |
| RF signal sniffing risk | Uses factory OEM buttons or encrypted Bluetooth — no RF signal broadcast | Remote fob signals can be captured and replayed with cheap tools |
| Daily disarm method | Secret PIN via factory interior buttons or seamless phone pairing | Must flip a hidden switch or carry an extra fob that can break or get lost |
How it works
A straightforward path to a better-equipped vehicle.
- 01
Tell us what you drive
Share your year, make, model, and what you want your system to do.
- 02
Get a tailored recommendation
We'll help you select the right protection and installation approach.
- 03
Book your appointment
Choose a mobile installation time that works for you.
Request an appointment
Let's talk about your vehicle.
Tell us what you drive and what you want to protect. We'll follow up to plan your mobile installation.