What year ranges does this Infiniti Q45 Key Fob programming guide cover?

This guide is limited to the source-backed year clusters: 2000u20132005 and 2006.

Does this guide program the remote only or also the transponder?

It covers on-vehicle pairing for a keyless-entry remote transmitter (lock/unlock) and does not claim immobilizer or transponder programming.

What if the programming steps do not work?

If hazard-lamp flash confirmations do not appear after following the timing windows exactly, restart from the beginning and then move to transmitter compatibility verification or professional help.

When should I switch from DIY to locksmith help?

Switch when hazard-lamp confirmations never appear after careful attempts, timing windows are difficult to meet, or transmitter compatibility is uncertain.

Infiniti Q45 Key Fob Programming by Year

Can you program a Q45 fob without the dealer? For most years, yes. Pick your year for the route and best next step.

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Find your year

Year	DIY onboard?	How it programs	Working fob?	Erase risk	Confidence	Best next step
2000–2005	Yes	Yes - onboard relearn	No (all-keys-lost OK)	Possible	Med	Follow the steps below

2000–2005 Infiniti Q45

Route verified — exact steps vary by trim/equipment

Route verified as onboard programming (no dealer needed). The sequences below are general route guidance — use them only if your vehicle shows the same prompts and controls. If the prompts don’t match, stop and call us.

Show the programming methods (20 steps)

Preparation

Close the doors

1 Close and lock all doors using the driver-side power lock/unlock switch

Programming step

2 Have all transmitters (including old ones) available before starting

Programming step

3 Ensure key is available for repeated insertion and removal

Cycle the ignition ON/OFF

4 Be ready to withdraw key completely from ignition cylinder each cycle

Cycle the ignition ON/OFF

5 Avoid performing key cycles too fast to allow entry into programming mode

Entering Programming Mode

Insert the key

1 Insert key into ignition and remove it at least six times within 10 seconds

Cycle the ignition ON/OFF

2 Hazard lamps flash if the six key cycles performed successfully

Programming step

3 Note: withdraw key completely from ignition cylinder each time

Cycle the ignition ON/OFF

4 Caution: performing cycles too fast prevents system entering programming mode

Insert the key

5 After cycles, insert key and turn to ACC position to continue

Programming Transmitters

Wait / timing window

1 Within 5 seconds of turning key to ACC, push ANY button on the remote transmitter

Doors lock-cycle (confirm)

2 Hazard lamps should flash to confirm transmitter acceptance

Press / hold a fob button

3 Do not press the remote button more than one time during this step

Press LOCK + UNLOCK

4 If multiple transmitters to program, unlock then lock all doors using driver-side switch

Wait / timing window

5 Within 5 seconds after locking, push ANY button on the next remote and repeat for each transmitter

Exiting and Final Steps

Turn ignition to ON

1 Turn key to OFF position after programming all transmitters

Remove the key

2 Remove keys from the ignition cylinder

Press LOCK + UNLOCK

3 Unlock doors using the driver-side power lock/unlock switch

Programming step

4 Open the driver-side door to complete procedure

Programming step

5 Check remote function; replace fob battery if key fob not working (battery link provided)

For the 2000–2005 Q45: Q45 key replacement & all compatible fobs →

How we validate this guide

Year coverage comes from our consolidated vehicle programming dataset. Route-level programming status is reviewed against internal route sheets and available manufacturer, security-access, and professional tool references. Exact button sequences are marked source-verified only when we have year/equipment-specific support; where a year is labeled “route verified, steps vary,” we confirm the exact fob, trim, and prompts before programming. Reviewed for route and safety by Mohammad H. Abdelhadi, ALOA-Certified Master Locksmith.

Year	Route status	Exact steps
2000–2005	Route verified	General guidance

Common questions

Can you program a Q45 key fob without going to the dealership?

For most years, yes - the route is onboard relearn or an OBD tool, both of which a mobile locksmith handles at your location.

Does this program the remote only, or the transponder key too?

It depends on your key type. Tell us your FCC ID and we will confirm.

What if my year says professional programming required?

Those years need a programmer or security access; we bring the tool to you and program it on site.

How much does it cost?

It depends on year, key type, and whether you have a working key. Call (833) 439-8636 for a firm price before we dispatch.

Need your Q45 fob programmed? We come to you, 24/7.

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