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    Key Fob Programming

    2021 Toyota RAV4 Key Fob Programming Guide

    Your comprehensive guide to replacing and programming your 2021 Toyota RAV4 key fob.

    AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.

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    Quick reference

    ItemDetail
    FCC IDHYQ14FBC
    OEM Fob PN8990H-0R020
    Aftermarket OptionsLook for compatibility with FCC ID HYQ14FBC
    Battery TypeCR2032
    Programmable On-Board?No, ¹
    Cuts Required?Yes, for integrated key blade

    ¹ Important Note on Programming:

    Beginning in 2018, Toyota changed its key fob programming strategy. Most models, including your 2021 Toyota RAV4, no longer support DIY on-board programming for key fobs. This is a security measure to prevent unauthorized key duplication. Programming now requires specialized diagnostic equipment typically found at a Toyota dealership or a qualified automotive locksmith.

    Step-by-step on-board programming

    There is no DIY on-board programming procedure available for the 2021 Toyota RAV4.

    To program a new key fob for your 2021 Toyota RAV4, you will need to visit a Toyota dealership or contact a professional automotive locksmith. They have the necessary scan tools and software to link the new fob to your vehicle's immobilizer system.

    Battery replacement

    If your key fob isn't working, the first thing to check is the battery. Replacing the battery is a simple DIY task.

    Tools you'll need:

    • Small flathead screwdriver or a coin
    • New CR2032 battery

    Steps:

    1. Remove the emergency key: Press the small release button on the side of the fob and pull out the metal emergency key.
    2. Pry open the fob case: Locate the notch in the key fob casing (usually where the emergency key was stored). Use your flathead screwdriver or a coin to carefully pry open the two halves of the fob.
    3. Remove the old battery: Note the orientation of the old CR2032 battery (usually positive side up). Gently pry it out.
    4. Insert the new battery: Place the new CR2032 battery into the compartment with the positive side facing up.
    5. Snap the fob back together: Align the two halves of the key fob and press them firmly together until they click into place.
    6. Reinsert the emergency key: Slide the emergency key back into its slot.

    Test your key fob to ensure it

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    More specs for the 2021 Toyota RAV4

    Oil Capacity & Filter

    Capacity, weight, filter PN, drain plug torque, change interval.

    Fluid Type Specs

    Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.

    Coolant Capacity & Type

    Total system capacity, OEM coolant spec, flush interval, bleed tips.

    Transmission Fluid & Service

    Trans model, fluid spec, capacity, filter PN, service interval.

    Torque Specifications

    Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.

    Brake Pad & Rotor Specs

    Pad PNs, rotor size, min thickness, caliper torque.

    Tire Size & Pressure

    OEM size, cold psi, bolt pattern, wheel size, TPMS.

    Battery Size & Group

    Group size, CCA, AGM/flooded, dimensions, reset note.

    A/C Refrigerant & Oil

    R-134a or R-1234yf, charge oz, PAG oil spec.

    Bulb Sizes (Headlight, Tail, Fog)

    Headlight, fog, tail, turn, reverse, interior.

    Factory Maintenance Schedule

    Service intervals by mileage, severe-duty notes, known issues.

    Towing Capacity & Payload

    Max tow, payload, GVWR/GCWR, hitch class by trim.

    Fuse Box Diagram & Amperage

    Fuse box locations, layout, amps, and what each fuse controls.

    Serpentine Belt Routing & Length

    Belt routing, length, rib count, OEM + aftermarket PNs.

    Wheel Alignment Specifications

    Camber, caster, toe ranges (front & rear), adjustability notes.

    Paint Color Codes

    All factory colors with paint codes, sticker location, touch-up tips.

    Wiper Blade Sizes

    Driver/passenger/rear blade size, attachment, OEM + cross-refs.

    Spark Plug Type & Gap

    Plug PN, gap, torque, interval by engine.

    Transmission & Axle Gear Ratios

    Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.

    Same spec — other model years

    Maintenance & repair guides

    Browse by make

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