Theft-proofing a convertible with no steering lock

A rollback will load a car with all 4 wheels locked easily...been there and done that.

disable run... like people mentioned, fake coil wire, remove rotor, etc.

THEN so it cant be towed

chain it to your house. use the chain that cant be cut with bolt cutters.

then they need a cutting torch and a rollback

they could still take it but they will be on video with the truck