What is the best steering lock to get?

I'm buying a new Ford Fiesta with keyless entry. What is the best steering lock to get?

How can I ensure my keyless entry car is safe from thieves?

I am due delivery at the beginning of April of a new SEAT Leon with keyless entry. Is there any reliable way to ensure that the car is safe from thieves with an electronic signal booster?

How can I protect my car from keyless theft?

I own a Nissan Leaf. At home, my car remote key is secure from hackers. When I am out I can keep the remote in a Faraday bag but I will need to remove it momentarily to open and start the car. If I replace...

Can thieves store the frequency of a keyless key to steal your car later?

Even if you have a Faraday bag, can thieves detect the key frequency as you park-up? Then the thieves have the signal stored in their relay device, or does the key have to be active for them to gain entry?

How can I guard against keyless theft?

I have a 2016 BMW 520d with keyless ignition. Can these keys be cloned when in the house allowing the car to be stolen from my drive? If so what measures can I take to prevent this?

Why don't keyless keys have an on/off switch?

It seems that keyless entry cars are being stolen at an alarming rate and that you recommend Faraday bags to put the keys in. Is there some technical reason why the keys just don't have an on/off switch...