Crimes committed by tech-savvy car thieves using special tools purchased on the internet are contributing to a spike vehicle thefts.

When the battery is removed from the key fob, the fob can lose its ‘memory’ or programming. If the key fob is not working after replacing its battery, a reprogramming procedure may be required.

Consumer Reports reveals a few simple tips to save money if you need a new fob. Depending on your age -- or the age of your car -- you might not even remember life before key fobs.