$70 to $120 depending on brand. Buy Interstate MTP-24Ffor about $115 and it will last 7 years! Optima batteries are high performance, but run about $170
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The battery in the key fob of a Toyota Sequoia is changed by using a coin to separate the two halves. The coin style battery can then be pushed out and a new battery put in.
Are the battery wires corroded? If they are, they may not be getting a good connection.
You can but it is not necessary.
The 2009 battery was shipped with 12V / 532 CCA (Cold Crank Amps) battery.
The 2005 Toyota Sequoia's engine produces 325 ft-lbs. @ 3400 rpm.
The 2001 Toyota Sequoia's engine produces 315 ft-lbs. @ 3400 rpm.
The 2014 Toyota Sequoia's engine produces 401 ft-lbs. @ 3600 rpm.
The 2011 Toyota Sequoia's engine produces 327 ft-lbs. @ 3400 rpm.
The 2004 Toyota Sequoia's engine produces 315 ft-lbs. @ 3400 rpm.
The 2007 Toyota Sequoia's engine produces 314 ft-lbs. @ 3400 rpm.
The 2013 Toyota Sequoia's engine produces 401 ft-lbs. @ 3600 rpm.