Hybrid cars are different from conventional vehicles when it comes to boosting a dead battery. If you drive a Toyota Prius, Toyota RAV4 Hybrid, Lexus RX Hybrid, or any other hybrid model, you may run into challenges if the battery dies. Using the wrong method can damage sensitive electronics, leading to expensive repairs. At Norman Towing, we often get emergency calls from drivers across Toronto, Scarborough, Markham, Vaughan, and the GTA who tried boosting their hybrid the wrong way. This guide explains the right process, safety tips, and when to call a professional towing company.
Why Hybrid Cars Need Special Attention #
Two Battery Systems in Hybrids #
Unlike traditional vehicles that have only one 12V battery, Toyota and Lexus hybrids have two:
- High-Voltage Hybrid Battery (powers the electric motor)
- 12V Auxiliary Battery (powers electronics and starts the system)
When your hybrid won’t start, it’s usually the 12V battery that needs boosting—not the hybrid drive battery.
Risks of Boosting the Wrong Way #
- Damage to hybrid control modules
- Risk of electrical shock
- Short circuits if clamps are attached incorrectly
- Potential voiding of warranty
Step-by-Step Guide to Boosting a Toyota or Lexus Hybrid #
⚠️ Warning: Always follow your owner’s manual and avoid touching high-voltage components marked with orange cables.
- Locate the Jump Start Terminal
- Most Toyota and Lexus hybrids (Prius, Camry Hybrid, RX Hybrid) have a designated jump-start terminal under the hood.
- This avoids direct contact with the battery in the trunk or rear compartment.
- Connect the Cables Properly
- Red clamp to the positive (+) terminal
- Black clamp to a solid metal ground point on the vehicle frame (not the battery itself)
- Start the Boost Vehicle
- Ensure the booster vehicle (or jump pack) is in park and running.
- Let it charge the 12V system for a few minutes.
- Power On the Hybrid
- Press the Power button with your foot on the brake.
- The dashboard should light up, and the system should go into Ready Mode.
- Remove Cables in Reverse Order
- Black clamp first, then red clamp.
When to Call Norman Towing #
Boosting a hybrid is not always straightforward. If you are stranded in North York, Mississauga, Scarborough, or anywhere in the GTA, Norman Towing can help. Our roadside assistance team is trained in hybrid-specific boosting techniques to prevent damage to your car.
Situations That Require a Professional #
- Battery completely dead for weeks
- Unsure where the terminals are
- No access to another vehicle or proper cables
- Car shows error codes after boost attempt
In these cases, it’s best to call our emergency boost and towing service.
Preventing Dead Battery Issues in Toyota & Lexus Hybrids #
Maintenance Tips #
- Drive your hybrid at least once a week to keep the 12V battery charged.
- Avoid leaving the car in Accessory Mode for long periods.
- Replace the 12V battery every 4–5 years.
- Consider carrying a portable lithium-ion jump starter designed for hybrids.
Norman Towing – Your Hybrid Roadside Assistance Experts #
At Normantowing.ca, we know the growing number of hybrid drivers in Toronto, Scarborough, Richmond Hill, and Markham need a towing company they can trust. Our team is:
- Licensed & insured for roadside assistance
- Available 24/7 for hybrid boosts and towing
- Equipped with the right tools for Toyota & Lexus hybrid vehicles
