2019 Chevrolet Malibu — Key Fob Programming

Quick reference

Step-by-step on-board programming

Important: 2019 Chevrolet Malibu uses GM’s late-model immobilizer. Full programming (especially when you have zero or only one working transmitter) requires a dealer/locksmith scan tool with Security Access. However, many trims allow you to add an extra transmitter yourself if you already have two recognized, working transmitters. Procedures and menu names can vary slightly by trim/software version; use this as a guide and consult your owner’s manual.

A) Add a third (or additional) transmitter when you already have two working ones (push-button start):

1. Sit in the vehicle with all doors closed. Have both working fobs plus the new, unprogrammed fob.
2. Place the two working fobs in the vehicle (not in the cupholder pocket yet). Put the vehicle in Park; do not press the brake.
3. Locate the transmitter pocket. On many Malibus it’s in the front console—often the front cupholder or a marked pocket with a key icon.
4. Using the infotainment/DIC, go to Settings (or Vehicle Settings) > Remote Lock, Unlock, Start (wording varies) > Add Key/Remote.
5. When prompted, place the new fob in the transmitter pocket with the buttons facing forward.
6. Press the START/STOP button once (do not hold, and do not press the brake). Wait for the chime/message indicating the remote was learned.
7. Remove the new fob, then test Lock/Unlock and try to start the vehicle (foot on brake, press START). Repeat for any additional remotes.

B) Keyed-ignition models (if equipped) adding a third key when you have two working keys:

1. Insert the first working key and turn to ON (do not start) for ~5 seconds, then OFF and remove.
2. Within 10 seconds, insert the second working key and turn to ON for ~5 seconds, then OFF and remove.
3. Within 10 seconds, insert the new key and turn to ON. Wait for the security light to go out (usually within seconds). Turn OFF, then test start. This learns the immobilizer; the remote buttons (if present) may still require a scan tool on late-model GM.

If you have zero or only one working transmitter/key: On-board programming is typically not available on 2019 Malibu. A dealer or automotive locksmith must use a J2534/MDI-compatible scan tool with GM Security Access to program the immobilizer and remote functions.

Battery replacement

Tools: small flat screwdriver or plastic pry tool, CR2032 battery.

1. Remove the mechanical key: slide the release and pull the emergency key blade out.
2. Gently pry along the seam of the fob case to split the halves. Work slowly to avoid damaging the gasket or board.
3. Note battery orientation. Pop the CR2032 out and install a fresh cell with the same polarity.
4. Snap the shell back together, reinsert the key blade, and test Lock/Unlock. If range is weak, recheck the cell orientation and ensure the contacts are clean.

Where to buy a replacement fob

• Dealer: Easiest VIN matching and guaranteed compatibility. Expect roughly $180–$300 for the transmitter plus $100–$150 to program. Pros: correct part the first time, warranty. Cons: highest price.
• Automotive locksmith: Often carries refurbished OEM fobs that are “virgin/unlocked.” Typical all-in is $180–$350 depending on your area and whether cutting the emergency key is needed. Pros: mobile service, competitive pricing. Cons: inventory varies; verify return policy.
• Online (Amazon/eBay/parts sites): $40–$140 for a bare or refurbished OEM fob. You will still need programming (and key cutting, if applicable). Pros: lowest part cost. Cons: risk of receiving a previously “locked” fob that cannot be reprogrammed; you must match FCC ID, button count, and OEM PN exactly.

Tip: Before buying, open your old fob (if available) to read the OEM PN and FCC ID. If you don’t have a fob, give your VIN to a dealer parts counter to identify the exact transmitter variant.

If on-board programming isn’t supported

• Expect to pay for professional programming. A locksmith or dealer will connect to the vehicle, access GM Security, and learn the new transmitter to both the immobilizer and RKE system. Programming labor typically runs $80–$150; mobile service may add a trip fee.
• Immobilizer transponder: On push-button-start Malibus, the transponder is integrated in the proximity fob; the emergency key blade is mechanical only and does not start the car. On keyed-ignition trims, the blade key contains an encrypted transponder that must be programmed in addition to cutting the key.
• All-keys-lost: Plan for a tow or mobile locksmith visit, proof of ownership, and 30–60 minutes of programming time once the correct fob is on hand.

Have questions or need a pro? Find a mobile locksmith or shop on Repairius.