Roadside Help · November 14, 2026
Your EV has a small battery that can leave you stuck.
Quick answer
Yes. You can jump-start the 12-volt auxiliary battery in most EVs, which powers locks, screens and the relay that wakes the main battery. You never jump the high-voltage pack. Follow the owner’s manual for jump points.
It wakes the car. With it dead, a full main battery cannot help.
Warnings at startup, slow wake, unresponsive doors.
$140 base service price with EVShield. Square displays the final total.
Often not recommended; check the manual.
Several years, but it varies.
Dispatch is available 24/7. Call for immediate help, or send a request online and our team will follow up.