SK is for those Prius models equipped with Smart Key System (SKS) functions. BK owners take heart: eBay and the Internet have made DIY fob replacement a reality. It’s a two-step process: one sequence to turn on the Prius; a second to operate the doors.
Dead key fob A keyless entry system won't start the engine unless it detects that your key fob is inside the car. If your key fob has a dead battery, the system likely won't be able to recognize when the fob is inside the car and accordingly won't start the engine.Nov 25, 2020
Symptoms Of A Dying Key Fob Battery:
- Worsening Signal Strength. Your key fob used to unlock your truck across the Target parking lot.
- Over-Clicking. A working key fob should be able to unlock doors with a single push of the button.
- Inconsistent Results.
Automakers know that your keyless ignition may need to work if the fob dies, and the system has been designed to work even with a non-functioning remote. Some cars are equipped with a means of starting the car manually, and some have a backup built into the key fob that work without a key.