
The filter itself costs $14.95 and you can replace it yourself in 5 minutes: Replacing the Cabin Air Filter costs $43 at Jiffy Lube or $45 at the Toyota Dealer.

Replace the light bulb and put the harness back and snap it into place by rotating it counter-clockwise.

Turn the harness to the clockwise one quarter turn (click) and pull the harness outward (towards the front of the car).Once apart, simply slide out the old battery, insert the new and pop the pieces back together. Take care to do this slowly in order to prevent cracking or damaging the plastic on your remote (replacements from the Toyota Dealer are expensive). Now gently angle the knife outward until the remote top and bottom plastic shells pop apart.Insert the knife at the bottom of the remote (taking care not to scratch the plastic) and push it in at an angle close to 90 degrees (see picture). First get a dull but thin butter knife from the kitchen.The Keyless Remote for the Corolla contains a single CR2032 battery ($2.50) and can be replaced in a few minutes:

#Toyota key fob battery how to#
Here’s how to do it all in 20 minutes or less. The DIY maintenance procedures I’ll cover in this article are: Replacing the key fob battery, the cabin air filter, the engine air filter and a brake light bulb. Recently though, there were a few things I’ve had to replace myself because the dealer just charged too damn much. It consistently goes 38 miles on a gallon of gas and costs nearly to nothing to maintain. My 2004 Toyota Corolla is a great little car.
