Hi, most cars have a procedure when you fit a new battery, the 1990s Mercedes needed to be locked and unlocked 3 or 4 times before they would start, Range Rover are the same + switch ignition on and off without trying to start it, so you just need the procedure for your vehicle ,
hope this helps,
SOURCE: HOnda Accord EX 1998 ALARM
Have you tried putting your Valet (original keys) into the ignition and turning it to the II position?
SOURCE: Car alarm won't reset after disconnecting car battery
you should try to hit the unlock button on the remotes and that should disarm it. Try disarming that, that way and if that doesnt work we will go from there
SOURCE: remote not working after disconnecting battery
If car Convenience Control Module(module that control key remote) lose power- remote adaptation to the car will be lost. This apply to some Audi models.
What you can try to do is:
1. Disarm alarm manually by opening door lock with the key
2. Put key into ignition and turn to on position (don't start the car)
3. Press few times remote button (with the ignition in on position)
Depends on your year model it my work (works on the newer models), if not you have to go to the dealership to program your keys.
Good luck!
Grzesiek
SOURCE: 88 cadillac deville, ac blower fan wont shut off,
Ralph,
Most common cause of this is the blower fan (proper name for the fan you refer to) continuing to run is a shorted out Electronic Climate Control Module. This solid state device replaces the older style fan speed resistor block (at about 4 times the price) This unit is found on the top of the HVAC box under the hood. (HVAC means heating, ventilation and air conditioning) The HVAC box is found on the passenger side of the firewall. Look behind the A/C's accumulator. It will have an electrical wiring plug on top of it. It will be fastened to the HVAC box with a few 7mm hex head screws. Very easy to change.
FYI, do yourself a favor and replace the blower fan motor at the same time. The Electronic Climate Control Module usually fails because the motor is drawing to many amps of current. This is because it's bushings are worn out or the brushes are worn out.
This is very common on Cadillacs and Buicks.
Charlie
PS Not sure why car won't start. Either you drained the battery or blew a fuse which controls starting the engine. Need more info regarding the "no start" condition.
SOURCE: 2003 Ford Taurus won't start after reconnecting the car battery.
you need to lock the doors wait 60 sec then at drivers door turn key to left 30sec then to right
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