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Need to replace Pads and rotors as brake light came on, car is new to me and mechanic doing safety inspection said I would need them soon (fronts). I am guessing that since the light came on there is a sensor on them? I have been looking online at pads and rotors(also full kits) and none come with or show sensor wires. don't want to find out after its apart. Also I see a lot of slotted rotors out there, I don't do a lot of stop & go or hard driving, I am assuming the slots are for heat dissipation? and figured the more surface area the better. Thoughts?

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Yes the slots are for heat and  dissipation; they help vector gases and dust away from the brake face.  They have the most impact on repeated hard stops.   I would lean toward shopping a specific set of pads and rotors for your vehicle.  Normal used to be resurface the rotors instead of replace, but with cheaper replacements replacing has become the norm.


2016 Cadillac ATS-V gray/black; 2013 Cadillac ATS 2L Turbo Premium (Wife's)

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