I have lost my keyless remote for my 2003 Silverado and have found sme (cheap)
on Ebay. They all state the remotes come with easy, instructions for
programming. How are these things programmed and is it a good idea to buy these
The 03 silverado is easy to program. All doors must be shut then you
hold the unlock button down and cycle the ignition switch on and off two
times. The locks will then cycle to show that it is in programming mode.
Take the remotes and hold the lock and unlock button down on the remote
until the locks cycle then that remote is programmed. If you have more
than one just hold the lock and unlock button down on it. To exit
program mode just switch the ignition on and off. Beware that there are
many different gm remotes. All will not work on all vech. It must be the
correct one are it will not work with the truck.
I have purchased several replacement remotes from eBay sellers over the
years including two for my '04 Silverado. Very easy to reprogram this
truck/remote combo (exactly the same as your '03) and for just over $15
shipped it's much cheaper than going to the dealer ($60 for the remote plus
$$ for reprogramming it for you).
Cheers - Jonathan
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