Try these hacks when your key fob stops working
battery and the vehicle’s battery are different components. Replacing the small battery in your remote will not fix a discharged vehicle battery.
If the vehicle remains unresponsive, roadside assistance can help assess the problem. Any jump-starting procedure must follow the instructions for your particular vehicle, especially for hybrid or electric models.
6. Get Help if the Problem Continues
If a replacement battery and the correct backup procedure do not solve the problem, contact a qualified automotive locksmith or your dealership.
Avoid random online button sequences advertised as universal programming tricks.