under the hood in the usual place
ealy 90s maiat has a battery in the trunk just take it out and get a new one the put it back in
On a 1991 Miata, the battery is in the trunk. It is probably the same on the 1990.
BIUSXX
I was informed by a BMW dealer there isn't a battery to replace and you have to order a new remote and then have it programmed by the dealer.
change the battery in the remote you can test your remote at auto zone for free
In the trunk.
battery is in the trunk, put the red to red and black to black and have the other car running to charge your battery and give it a couple mins then start your miata
The battery is a Mt-MX5. This is a Interstate battery part#. fits 1990-2008 Mazda Miata. Go to interstatebattiers.com to find a dealer near you.
use a hammer..:)
buy a new battery
It uses a very small, sealed battery, because it resides in the trunk. The battery features ventilation ports that attach to tubes inside the Miata trunk so it is safely ventilated outside of the cabin. The most common replacement is a WestCo Battery, specifically designed for the Miata.