If your car's smart key dies on you, it's still possible to unlock your car and start the ignition without replacing the key's battery immediately.

Lay the key on a sticky note or piece of paper. Write the door the key unlocks on the paper. Take a picture of the key on the label. You can create a photo album on your phone with all the pictures, ...

Locked out? Lost your spare? Key not working right? Don’t call a locksmith — fix it yourself! Spare keys are great because they can come in handy in an emergency. Preparation is key, so don’t wait ...