Chevrolet 2003 tracker, Owner'S Manual

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To replace the battery in the transmitter do the following:
1. Use a coin or similar object to separate the
bottom half from the top half of the transmitter.
2. Remove the battery and replace it with the new
one. Make sure the positive side of the battery
faces down. For battery replacement, use a 3-volt
battery, type CR2032 or equivalent.
3. Read the instructions inside the case.
4. Put the two halves back together. Make sure the
cover is on tight so water won’t get in.
5. Check the operation of the transmitter with your
vehicle. If the transmitter does not work, try
resynchronizing the transmitter with the receiver.
See “Resynchronization” following.
Resynchronization
Your remote keyless entry system is equipped with a
security system that prevents anyone from recording and
playing back your signal. The transmitter does not
send the same signal twice to the receiver. The receiver
will not respond to a signal that has been sent to it
more than once.
To resynchronize your transmitter and receiver, follow
these directions:
1. Stand close to your vehicle.
2. Press and hold the LOCK and UNLOCK buttons on
the transmitter at the same time for at least seven
seconds.
During this time, the doors should lock and unlock
once. This confirms the resynchronization. If the
doors do not lock and unlock, see your dealer
for service.
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