A cracked key case or worn buttons does not always mean you need a new programmed key. Many drivers only need a replacement shell or silicone cover - but only when the electronics inside still work. This guide explains the difference between cosmetic covers, full shell swaps, and keys that must be cut and coded by a locksmith.
Shell, cover, or new key?
- Silicone or TPU cover - Slides over the existing remote for protection; no disassembly. Does not fix broken buttons inside.
- Replacement shell / case - Empty plastic housing; you transfer the circuit board, transponder chip, and battery from your old key.
- Programmable key / remote - New electronics that must be cut and coded to the immobiliser. See our programmable keys guide.
When no programming is needed
If remote locking, unlocking, and engine start still work, and only the plastic is damaged, a shell swap is usually enough. Open the old key carefully, move the board and chip into the new case, and reassemble. The car still recognises the original transponder - no dealer visit.
Typical jobs: cracked housing, missing button pad, broken key ring loop, worn flip mechanism spring (sometimes sold as shell + blade kit).
When you need a locksmith or dealer
- Remote stops working after water damage or board failure
- Transponder lost or damaged during shell swap
- You are buying a blank or new remote with no electronics to transfer
- Immobiliser light stays on after shell change - electronics fault, not cosmetic
For cut-and-code keys, read Programmable car keys explained. That guide lists common programming tools, but coding must still be done by a qualified locksmith or dealer.
Flip keys and blade swaps
Flip keys include a spring that snaps the blade out. Shell kits often ship with an uncut blade - swap your original blade if profiles match, or get the new blade cut locally. Blade profile (HU66, SIP22, etc.) must suit your lock; the shell shape must suit your remote board.
Matching our listings to your remote
- Count buttons and note layout (3-button vs 5-button, flip vs fixed blade).
- Compare photos to your key profile - VW, BMW, Toyota, and others use different shapes.
- Check listing compatibility list against your model year.
- Open the old key and compare internal board shape if possible.
LED plate lights and other accessories
Our car accessories category also includes CANBUS-friendly LED number plate lights for VW, Vauxhall, and similar - "error free" means they avoid dashboard bulb-out warnings on cars that monitor LED load. Bolt covers, aerials, and door handle trims are cosmetic; match by model listing rather than OE number unless stated.
Ordering from Automotive Outlet
- Confirm you need cosmetic parts only (shell/cover) vs a programmable key.
- Browse car accessories or key covers subcategory.
- Message us with a photo of your key if fitment is unclear.
FAQ
- Is a shell the same as a key cover?
- No. A cover wraps the outside; a shell replaces the housing and requires transferring internals.
- Will a new shell fix buttons that do not click?
- Only if the rubber pad or shell was the problem. Worn micro-switches on the board need repair or a new remote.
- Can I buy a shell and skip programming to save money?
- Yes - when your chip and board are healthy. That is the main cost saving vs a dealer replacement key.
- What is the small chip inside the old key?
- That is often the immobiliser transponder. It may be a small glass capsule or black wedge separate from the circuit board. If it is lost during a shell swap, the remote may unlock the car but the engine will not start.
- Should I transfer the old blade or cut the new blank?
- Transfer the original blade if the hinge profile matches and it is not worn. If you use the blank blade supplied with a shell, it must be cut locally to your original key profile.
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